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Q II-89-degree bellows radiation damage outside west platform. Photograph taken November 2, 1965. Bevatron-3960 – Photographer: Doug Bradley

Top trace-photomultiplier on outer west platform; bottom trace-magnet current 10a/cm at 2.5 Ka trigger I 24; sweep speed: 2 ms/cm. Photograph taken May 1, 1956. Bevatron-1067

Oscilloscope screen. Top frame: top sweep-south sum electrode; bottom sweep-photo multiplier on outer west platform. Detailed speed information on card. Photograph taken May 1, 1956. Bevatron-1064