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184-inch cyclotron model magnet. Photo taken 8/31/1953. 184"-1142 Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron model magnet. Photo taken 8/31/1953. 184"-1142 Prin...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Master oscillator temperature regulator, pump chassis. Photograph taken December 15, 1954. Bevatron-810

Master oscillator temperature regulator, pump chassis. Photograph take...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04049.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

6-inch chemistry cave box, ORL. Photograph taken May 6, 1954. Health Pro-358

6-inch chemistry cave box, ORL. Photograph taken May 6, 1954. Health P...

Digital Preservation File Name and Format: 434-LB-6-XBD201312-04484.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

The four-inch bubble chamber. The first hydrogen chamber to produce results of scientific interest. It was built at Lawrence Radiation Laboratory in 1955 by Doug Parmentier (l.) and Pete Schwemin (r.), technicians in the Alvarez group. The year before, Parmentier and Schwemin, continuing a line of research begun by their coworker John Wood, had demonstrated another important "first." The first workable chamber of combined metal-and-glass, rather than all-glass, construction. That chamber, the 2 1/2-inch, was the first real prototype of a modern, practical, liquid-hydrogen bubble chamber. Photograph taken November 19, 1954. Bubble Chamber-2

The four-inch bubble chamber. The first hydrogen chamber to produce re...

Digital Preservation File Name and Format: 434-LB-6-XBD9707-02853.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Emilio Segre at work in 1954. He and Owen Chamberlain shared the Nobel Prize in physics in 1959 for their discovery of the antiproton. Morgue 1959-14 (P-2) [Photographer: Donald Cooksey]

Emilio Segre at work in 1954. He and Owen Chamberlain shared the Nobel...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

184-inch cyclotron auxiliary coil winding. Photo taken 3/18/1954. 184"-1245 Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron auxiliary coil winding. Photo taken 3/18/1954. 184"...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

184-inch cyclotron. Moving auxiliary magnet coil into Bldg. 6. Photo taken 3/19/1954. 184"-1230 Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron. Moving auxiliary magnet coil into Bldg. 6. Photo t...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Formal portrait of Joseph Gilbert Hamilton taken April 9, 1954. Morgue 1954-5 (P-1) [Photographer: Donald Cooksey]

Formal portrait of Joseph Gilbert Hamilton taken April 9, 1954. Morgue...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

184-inch cyclotron magnet shim, technician removing section. Photo taken 5/20/1954. 184"-1276 Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron magnet shim, technician removing section. Photo tak...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

60-inch cyclotron conversion progress. Photo taken 5/28/1954. 60"-560. Principal Investigator/Project: Crocker Lab/60-inch

60-inch cyclotron conversion progress. Photo taken 5/28/1954. 60"-560....

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Inside east clipper plunger. Photograph taken February 1, 1955. Bevatron-838

Inside east clipper plunger. Photograph taken February 1, 1955. Bevatr...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04060.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Analyzing magnet, quadrapole magnet setup. Searching for antiprotons. Photograph taken August 3, 1955. Bevatron-895

Analyzing magnet, quadrapole magnet setup. Searching for antiprotons. ...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04080.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Beam clipper in position. Photograph taken March 11, 1955. Bevatron-846

Beam clipper in position. Photograph taken March 11, 1955. Bevatron-84...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04065.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

building 4 alterations progress. Photograph taken August 26, 1955. building-1234

building 4 alterations progress. Photograph taken August 26, 1955. bui...

Digital Preservation File Name and Format: 434-LB-6-XBD201312-04427.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Setup in west tangent tank for Wilson Powell. Photograph taken August 16, 1955. Bevatron-906

Setup in west tangent tank for Wilson Powell. Photograph taken August ...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04088.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

West tangent tank, outside. Photograph taken May 26, 1955. Bevatron-865

West tangent tank, outside. Photograph taken May 26, 1955. Bevatron-86...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04071.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Kerth magnet, quadrapole magnet setup, west tangent tank. Photograph taken May 19, 1955. Bevatron-859. ZN-1375

Kerth magnet, quadrapole magnet setup, west tangent tank. Photograph t...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04069.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Oscilloscope traces showing pulses from a) meson, b) antiproton, c) accidental. Photograph taken October 19, 1955. Bevatron-978. ZN-1393

Oscilloscope traces showing pulses from a) meson, b) antiproton, c) ac...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04115.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bevatron air drying system with Andy Dubois. Photograph taken November 12, 1955. Bevatron-968

Bevatron air drying system with Andy Dubois. Photograph taken November...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04109.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

10-inch bubble chamber igloo test. Patent released 10/23/1959. Photograph taken November 17, 1955. Bubble Chamber-52

10-inch bubble chamber igloo test. Patent released 10/23/1959. Photogr...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01163.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Demolition of existing laboratories in building 4. Photograph taken March 2, 1955. building-1189

Demolition of existing laboratories in building 4. Photograph taken Ma...

Digital Preservation File Name and Format: 434-LB-6-XBD201312-04425.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

New type meson cave shielding for 184-inch cyclotron. Photo taken 6/29/1955. 184"-1317 Principal Investigator/Project: Analog Conversion Project

New type meson cave shielding for 184-inch cyclotron. Photo taken 6/29...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Left to right: Professor Manne Siegbahn, Director-Nobel Institute for Physics, Stockholm; Professor D.V. Skobeltzin, Director -Institute of Physics, U.S.S.R.; Dr. H.J. Bhabha, Chairman-Indian A.E.C.; and Professor Glenn T. Seaborg taken August 1955 in Geneva, Switzerland. Morgue 1955-6 (P-1) [Photographer: Donald Cooksey]

Left to right: Professor Manne Siegbahn, Director-Nobel Institute for ...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Reconversion of 184-inch cyclotron, removal of vacuum tank. Photo taken 9/30/1955. 184"-1353 Principal Investigator/Project: Analog Conversion Project

Reconversion of 184-inch cyclotron, removal of vacuum tank. Photo take...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Hydrogen bubble chamber microscope. Photograph taken August 2, 1956. Bubble Chamber-92

Hydrogen bubble chamber microscope. Photograph taken August 2, 1956. B...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01190.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

K formula demonstration: K-negative + P yields E-negative + pi-positive pi-negative. Photograph taken May 10, 1956. Bubble Chamber-85

K formula demonstration: K-negative + P yields E-negative + pi-positiv...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01186.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

K scatters with protons. Patent release 5/12/1960. Photograph taken October 29, 1956. Bubble Chamber-111

K scatters with protons. Patent release 5/12/1960. Photograph taken Oc...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01201.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Condensing unit pump room. Photograph taken November 14, 1956. Bevatron-1186

Condensing unit pump room. Photograph taken November 14, 1956. Bevatro...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02301.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bevatron control room panels. Photograph taken July 19, 1956. Bevatron-1116

Bevatron control room panels. Photograph taken July 19, 1956. Bevatron...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02265.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

P-N cross section device, associated with Emilio Segre. Photograph taken November 29, 1956. Bevatron-1200

P-N cross section device, associated with Emilio Segre. Photograph tak...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02309.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Window failure test shot 6, 1-inch soft glass, 11 1/2-inch diameter. Fractured at 225 psi, 7-minutes, 20 seconds. Photograph taken February 20, 1956. Bubble Chamber-68

Window failure test shot 6, 1-inch soft glass, 11 1/2-inch diameter. F...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01174.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Motor generator #6 breakdown. Photograph taken December 20, 1956. Bevatron-1220

Motor generator #6 breakdown. Photograph taken December 20, 1956. Beva...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02319.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bubble Chamber Event, formula demonstration. K-negative + P yields sigma-negative + pi-positive, L, pi-positive + h. Photograph taken May 8, 1956. Bubble Chamber-79

Bubble Chamber Event, formula demonstration. K-negative + P yields sig...

Digital Preservation File Name and Format: 434-LB-6-XBD9909-01983.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Eight-inch quadrapole magnet with Bob Kilpatrick. Photograph taken June 21, 1956. Bevatron-1085

Eight-inch quadrapole magnet with Bob Kilpatrick. Photograph taken Jun...

Digital Preservation File Name and Format: 434-LB-6-XBD9709-03553.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Section between ion source, linac with Howie Smith. Photograph taken April 3, 1956. Bevatron-1050

Section between ion source, linac with Howie Smith. Photograph taken A...

Digital Preservation File Name and Format: 434-LB-6-XBD201310-04194.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

P-N cross section device associated with Emilio Segre, with H. Smith. Photograph taken October 18, 1956. Bevatron-1171

P-N cross section device associated with Emilio Segre, with H. Smith. ...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02296.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

184-inch cyclotron, coil stave installation jack with workmen. Photo taken 1/12/1956. 184"-1384 Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron, coil stave installation jack with workmen. Photo t...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

184-inch cyclotron, auxilary coil being moved into tank. Photo taken 3/02/1956. 184"-1405 Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron, auxilary coil being moved into tank. Photo taken 3...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Adjustments to 60-inch cyclotron. Photo taken 11/11/1956. 60"-608. Principal Investigator/Project: Crocker Lab/60-inch

Adjustments to 60-inch cyclotron. Photo taken 11/11/1956. 60"-608. Pri...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

184-inch cyclotron, DEE pole with Mattie Enos. Photo taken 11/20/1956. Principal Investigator/Project: Analog Conversion Project

184-inch cyclotron, DEE pole with Mattie Enos. Photo taken 11/20/1956....

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Subatomic particles formation, ZN 1792 (also ZN-2054.) Photograph taken October 17, 1957. Bubble Chamber-338

Subatomic particles formation, ZN 1792 (also ZN-2054.) Photograph take...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01440.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Progress on new platform at north tangent tank. Photograph taken April 4, 1957. Bevatron-1269

Progress on new platform at north tangent tank. Photograph taken April...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02341.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Subatomic particle formation. Pi-negative + p yields pi-negative + pi-positive + n; muon-positive + e-positive. Photograph taken July 26, 1957. Bubble Chamber-279

Subatomic particle formation. Pi-negative + p yields pi-negative + pi-...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01387.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

1/12 scale model of the 72-inch bubble chamber. Photograph taken January 16, 1957. Bubble Chamber-129

1/12 scale model of the 72-inch bubble chamber. Photograph taken Janua...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01332.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Four-section stanchion with H. Smith and Bob Pratt. Photograph taken May 8, 1957. Bevatron-1321

Four-section stanchion with H. Smith and Bob Pratt. Photograph taken M...

Digital Preservation File Name and Format: 434-LB-6-XBD201303-02360.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Fabrication of 72-inch bubble chamber bearing plates. Photograph taken in 1957. Bubble Chamber-348

Fabrication of 72-inch bubble chamber bearing plates. Photograph taken...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01443.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Transporting the 64-ton magnet core for the bubble chamber up the hill toward Blackberry Gate. Photograph taken April 29, 1957. Bubble Chamber-148

Transporting the 64-ton magnet core for the bubble chamber up the hill...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01341.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

West overhead coil support. Photograph taken May 29, 1957. Bevatron-1342

West overhead coil support. Photograph taken May 29, 1957. Bevatron-13...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02368.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Propane bubble chamber setup. Photograph taken September 3, 1957. Bevatron-1366

Propane bubble chamber setup. Photograph taken September 3, 1957. Beva...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02378.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

High-pressure test in progress. The gasket was unharmed and leak-free after being cycled several times from 0-1,000 psig. Photograph taken November 1957. Bubble Chamber-377

High-pressure test in progress. The gasket was unharmed and leak-free ...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01456.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Placing upper coil in its final position in the 72-inch bubble chamber. Photograph taken July 1, 1957. Bubble Chamber-272

Placing upper coil in its final position in the 72-inch bubble chamber...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01378.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Subatomic particles formation, tan decay: pi-negative + p yields sigma-negative + k-positive; pi-negative. Photograph taken August 1, 1957. Bubble Chamber-307

Subatomic particles formation, tan decay: pi-negative + p yields sigma...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01402.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

H2 purifier heat-exchanger. Photograph taken June 26, 1957. Bubble Chamber-166

H2 purifier heat-exchanger. Photograph taken June 26, 1957. Bubble Cha...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01349.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Pi-negative event. Photograph taken July 31, 1957. Bubble Chamber-297

Pi-negative event. Photograph taken July 31, 1957. Bubble Chamber-297

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01397.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Tjorborn Sikkeland, Al Ghiorso, and Robert Main at the Hilac. Morgue 1957--13 (P-4) [Photographer: Donald Cooksey]

Tjorborn Sikkeland, Al Ghiorso, and Robert Main at the Hilac. Morgue 1...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Silver and copper plated heat exchanger end bells, part of the Bevatron lube-oil circulation system. Photograph taken October 10, 1957. Bevatron-1392

Silver and copper plated heat exchanger end bells, part of the Bevatro...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02444.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bubble chamber event (Roll 164857) nuclear reaction catalyzed by mu mesons. Photograph taken March 29, 1957. Bubble Chamber-134

Bubble chamber event (Roll 164857) nuclear reaction catalyzed by mu me...

Digital Preservation File Name and Format: 434-LB-6-XBD9907-01699.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Silver and copper plated heat exchanger end bells, part of the Bevatron lube-oil circulation system. Photograph taken October 10, 1957. Bevatron-1389

Silver and copper plated heat exchanger end bells, part of the Bevatro...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02443.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Four-sector stanchion proof test setup. Photograph taken May 3, 1957. Bevatron-1315

Four-sector stanchion proof test setup. Photograph taken May 3, 1957. ...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02358.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Fabrication of foundation for Bevatron shielding. Photograph taken April 4, 1957. Bevatron-1285

Fabrication of foundation for Bevatron shielding. Photograph taken Apr...

Digital Preservation File Name and Format: 434-LB-6-XBD200304-00268.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Northwest target area, four-sector stanchion position. Photograph taken May 1, 1957. Bevatron-1313

Northwest target area, four-sector stanchion position. Photograph take...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02357.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Luis Alvarez at the 72-inch bubble chamber. Photograph taken July 21, 1958. Bubble Chamber-540

Luis Alvarez at the 72-inch bubble chamber. Photograph taken July 21, ...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01495.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bevatron ignitron anode, jig and wrench. Photograph taken March 15, 1958. Bevatron-1480

Bevatron ignitron anode, jig and wrench. Photograph taken March 15, 19...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02480.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

John Wood's original bubble chamber. Photograph taken May 13, 1958. Bubble Chamber-B

John Wood's original bubble chamber. Photograph taken May 13, 1958. Bu...

Digital Preservation File Name and Format: 434-LB-6-XBD201209-01126.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bevatron generator repair. Photograph taken December 24, 1958. Bevatron-1730

Bevatron generator repair. Photograph taken December 24, 1958. Bevatro...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02598.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Left to right: Sheldon Myer, Pat Callahan, and Elmer Silva Installing thin window. Photograph taken October 21, 1958. Bevatron-1628

Left to right: Sheldon Myer, Pat Callahan, and Elmer Silva Installing ...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02541.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

15-inch bubble chamber antiproton display. Photograph taken March 27, 1958. Bubble Chamber-437

15-inch bubble chamber antiproton display. Photograph taken March 27, ...

Digital Preservation File Name and Format: 434-LB-6-XBD201210-01474.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Equipment used for Segre-Powell antiproton experiment. Photograph taken February 21, 1958. Bevatron-1459

Equipment used for Segre-Powell antiproton experiment. Photograph take...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02471.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Queen Frederika of Greece visiting the Bevatron control room, Ed Lofgren behind the Queen. Photograph taken November 25, 1958

Queen Frederika of Greece visiting the Bevatron control room, Ed Lofgr...

Digital Preservation File Name and Format: 434-LB-5-XBD201208-00588.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bubble chamber assembly. Photograph taken August 14, 1958. Bubble Chamber-595

Bubble chamber assembly. Photograph taken August 14, 1958. Bubble Cham...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01517.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bevatron generator repair. Photograph taken December 24, 1958. Bevatron-1728

Bevatron generator repair. Photograph taken December 24, 1958. Bevatro...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02597.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

HX cross connector close up. Photograph taken March 20, 1958. Bevatron-1493

HX cross connector close up. Photograph taken March 20, 1958. Bevatron...

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02487.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Segre set up. Photograph taken January 17, 1958. Bevatron-1436

Segre set up. Photograph taken January 17, 1958. Bevatron-1436

Digital Preservation File Name and Format: 434-LB-6-XBD201304-02460.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Moving out the Linac tank. Photograph taken May 13, 1958. LINAC-760

Moving out the Linac tank. Photograph taken May 13, 1958. LINAC-760

Digital Preservation File Name and Format: 434-LB-5-XBD201209-01116.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bubble chamber assembly: Lou Silvia, Ed Stewart, Robbi Schmit. Photograph taken July 28, 1958. Bubble Chamber-560

Bubble chamber assembly: Lou Silvia, Ed Stewart, Robbi Schmit. Photogr...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01499.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Portrait of Melvin Calvin at his desk taken February 25, 1958. Morgue 1958--4 (P-4) [Photographer: Donald Cooksey]

Portrait of Melvin Calvin at his desk taken February 25, 1958. Morgue ...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Isolation of californium (in visible amounts). Inside a fabricated tepee on the roof of the Chemistry Building, the chemists perform their experiment. Left to right: Ray Gatti. (standing). and Llad Phillips (seated) with Burris Cunningham and Stanley Thompson, taken September 1958. Morgue 1958-62 (P-1) [Photographer: Donald Cooksey]

Isolation of californium (in visible amounts). Inside a fabricated tep...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

High voltage reversing station. Photograph taken August 26, 1959. Bevatron-1876

High voltage reversing station. Photograph taken August 26, 1959. Beva...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02783.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Enrico Fermi Award Medal, (obverse.) Photograph taken January 9, 1959

Enrico Fermi Award Medal, (obverse.) Photograph taken January 9, 1959

Digital Preservation File Name and Format: 434-LB-5-XBD201208-00617.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Segre's anti-proton experiment, target area. Photograph taken April 17, 1959. Bevatron-1781

Segre's anti-proton experiment, target area. Photograph taken April 17...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02754.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Spectrometer Mark IV electrode #2. Photograph taken December 10, 1959. Bevatron-1940

Spectrometer Mark IV electrode #2. Photograph taken December 10, 1959....

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02807.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

10-inch bubble chamber event: high-energy delta rays on negative pions. Photograph taken September 10, 1959. Bubble Chamber-811

10-inch bubble chamber event: high-energy delta rays on negative pions...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01598.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Modification in ion source. Photograph taken June 2, 1959. Bevatron-1817

Modification in ion source. Photograph taken June 2, 1959. Bevatron-18...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02770.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Shielding for neutrons. Photograph taken April 30, 1959. Bevatron-1790

Shielding for neutrons. Photograph taken April 30, 1959. Bevatron-1790

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02759.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Two neutrinos and electron pair. Photograph taken July 4, 1959. Bubble Chamber-771

Two neutrinos and electron pair. Photograph taken July 4, 1959. Bubble...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01554.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Isadore Perlman, formal portrait in his office at the Lawrence Radiation Laboratory, February 5, 1959. Morgue 1959-9 (P-6) [Photographer: Donald Cooksey]

Isadore Perlman, formal portrait in his office at the Lawrence Radiati...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Nobel Prize press conference with Glenn T. Seaborg, Clyde Wiegand, Harold Fidler (background), and Emilio Segre (center), taken October 26, 1959. Morgue 1959-20 (P-2) [Photographer: Donald Cooksey]

Nobel Prize press conference with Glenn T. Seaborg, Clyde Wiegand, Har...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Glassblower, operated by Norm Phillips, taken November 1959. Morgue 1959-22 (P-1) [Photographer: Donald Cooksey]

Glassblower, operated by Norm Phillips, taken November 1959. Morgue 19...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Portrait of Emilio Segre, taken November 2, 1959. Morgue 1959-14 (P-9) [Photographer: Donald Cooksey]

Portrait of Emilio Segre, taken November 2, 1959. Morgue 1959-14 (P-9)...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

General view of 184-inch cyclotron with Bevatron in foreground. Stack parking visible in lower right. Photograph taken February 24, 1960. Building-2677

General view of 184-inch cyclotron with Bevatron in foreground. Stack ...

Digital Preservation File Name and Format: 434-LB-6-XBD201401-00007.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Resistor with corona ball. Photograph taken December 1, 1960. Bevatron-2165

Resistor with corona ball. Photograph taken December 1, 1960. Bevatron...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02872.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

28-degree slide control door panel. Photograph taken February 26, 1960. Bevatron-2007

28-degree slide control door panel. Photograph taken February 26, 1960...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02827.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Differential ray on incident antipion. Photograph taken April 22, 1960. Bubble Chamber-911

Differential ray on incident antipion. Photograph taken April 22, 1960...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01617.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

28-degree slide control door panel. Photograph taken February 26, 1960. Bevatron-2006

28-degree slide control door panel. Photograph taken February 26, 1960...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02826.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Typical images obtained from the spark chamber in the bevatron. Photograph taken August 12, 1960. Bevatron-2114

Typical images obtained from the spark chamber in the bevatron. Photog...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02858.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Model of new Bevatron shielding, Hans Krapf. Photograph taken June 29, 1961. Bevatron-2261 – Photographer: George Kagawa

Model of new Bevatron shielding, Hans Krapf. Photograph taken June 29,...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02887.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

4-jaw aperture and beam transformer housing assembly - Bevatron Injector II. Photograph taken December 20, 1961. Bevatron-2565 – Photographer: Doug McWilliams

4-jaw aperture and beam transformer housing assembly - Bevatron Inject...

Digital Preservation File Name and Format: 434-LB-6-XBD201303-02026.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

4-jaw aperture and beam transformer housing assembly - Bevatron Injector II. Photograph taken December 20, 1961. Bevatron-2562 – Photographer: Doug McWilliams

4-jaw aperture and beam transformer housing assembly - Bevatron Inject...

Digital Preservation File Name and Format: 434-LB-6-XBD201303-02025.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bubble chamber event. One 4-prong antiproton annihilation. Photograph dated August 17, 1961. Bubble Chamber-1042

Bubble chamber event. One 4-prong antiproton annihilation. Photograph ...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01646.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Bevatron injector II, linac test drift tube installation with Foss Crosby. Photograph taken February 22, 1961. Bevatron-2204

Bevatron injector II, linac test drift tube installation with Foss Cro...

Digital Preservation File Name and Format: 434-LB-6-XBD201305-02877.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

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The objects in this collection are from The U.S. National Archives and Defense Visual Information Distribution Service. The U.S. National Archives and Records Administration (NARA) was established in 1934 by President Franklin Roosevelt. NARA keeps those Federal records that are judged to have continuing value—about 2 to 5 percent of those generated in any given year. There are approximately 10 billion pages of textual records; 12 million maps, charts, and architectural and engineering drawings; 25 million still photographs and graphics; 24 million aerial photographs; 300,000 reels of motion picture film; 400,000 video and sound recordings; and 133 terabytes of electronic data. The Defense Visual Information Distribution Service provides a connection between world media and the American military personnel serving at home and abroad. All of these materials are preserved because they are important to the workings of Government, have long-term research worth, or provide information of value to citizens.

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