U.S. National Archives
U.S. National ArchivesPublic Domain ArchiveNot developed or endorsed by NARA.
  • searchSearch
  • photo_albumStories
  • collectionsCollections
  • infoAbout
  • star_rateUpgrade

TERRESTRIAL PHOTOVOLTAIC MEASUREMENT WORKSHOP

TERRESTRIAL PHOTOVOLTAIC MEASUREMENT WORKSHOP

COAST GUARD PHOTOVOLTAIC BUOY

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

PHOTOVOLTAIC APPLICATIONS DISPLAY

PHOTOVOLTAIC POWERED REFRIGERATOR AT WILDERNESS TRAIL CONSTRUCTION CAMP - ISLE ROYALE NATIONAL PARK MICHIGAN - PAPAGO INDIAN VILLAGE OF SIL NAKYA ARIZONA

PHOTOVOLTAIC TEST CONFIGURATION

PHOTOVOLTAIC SYSTEMS TEST FACILITY

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

PHOTOVOLTAIC POWERED REFRIGERATOR AT WILDERNESS TRAIL CONSTRUCTION CAMP - ISLE ROYALE NATIONAL PARK MICHIGAN - PAPAGO INDIAN VILLAGE OF SIL NAKYA ARIZONA

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

PHOTOVOLTAIC SYSTEMS TEST FACILITY

PHOTOVOLTAIC TEST CONFIGURATION

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

PHOTOVOLTAIC TEST CONFIGURATION

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

PHOTOVOLTAIC POWERED FOREST LOOKOUTS - LASSEN AND PLUMAS NATIONAL FORESTS CALIFORNIA

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

PHOTOVOLTAIC SYSTEMS TEST FACILITY

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

PHOTOVOLTAIC TEST CONFIGURATION

FREE STANDING SOLAR PHOTOVOLTAIC PANELS

ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION ERDA / NASA PHOTOVOLTAIC PROGRAM DEMONSTRATION AT ISLE ROYALE MICHIGAN

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PHOTOVOLTAIC ARRAY FIELD

PHOTOVOLTAIC POWERED INSECT SURVEY TRAPS NEAR COLLEGE STATION & NAVASOTA TEXAS - PHOTOVOLTAIC POWERED DUST STORM WARNING SIGN ON INTERSTATE 10 NEAR CASA GRANDE ARIZONA

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PHOTOVOLTAIC APPLICATIONS

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PHOTOVOLTAIC ARRAY FIELD

OPP FOR PHOTOVOLTAIC POWER SYSTEMS IN RURAL AFRICA

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

AFRICAN LESSER DEVELOPED COUNTRIES FOR PHOTOVOLTAIC APPLICATIONS

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

REAR INSULATION BOXES OF THE NOCT TEST OF THE PHOTOVOLTAIC SOLAR ARRAY

PHOTOVOLTAIC WATER PUMPING IN AFRICA

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PV PHOTOVOLTAIC APPLICATIONS

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

PHOTOVOLTAIC ARRAY FIELD

AFRICAN LESSER DEVELOPED COUNTRIES FOR PHOTOVOLTAIC APPLICATIONS

PHOTOVOLTAIC APPLICATIONS

AFRICAN LESSER DEVELOPED COUNTRIES FOR PHOTOVOLTAIC APPLICATIONS

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

AFRICAN LESSER DEVELOPED COUNTRIES FOR PHOTOVOLTAIC APPLICATIONS

PHOTOVOLTAIC POWERED INSECT SURVEY TRAPS NEAR COLLEGE STATION & NAVASOTA TEXAS - PHOTOVOLTAIC POWERED DUST STORM WARNING SIGN ON INTERSTATE 10 NEAR CASA GRANDE ARIZONA

PHOTOVOLTAIC SYSTEMS TEST FACILITY

PHOTOVOLTAIC ARRAY FIELD

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PHOTOVOLTAIC APPLICATIONS

PHOTOVOLTAIC APPLICATIONS

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

DEDICATION OF PHOTOVOLTAIC POWERED HIGHWAY SIGN

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

ERDA ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION PHOTOVOLTAIC PRESENTATION

PHOTOVOLTAIC ARRAY FIELD

PHOTOVOLTAIC WATER PUMPING IN AFRICA

PHOTOVOLTAIC ARRAY FIELD

PHOTOVOLTAIC ARRAY FIELD

PHOTOVOLTAIC APPLICATIONS

PHOTOVOLTAIC ARRAY FIELD

PHOTOVOLTAIC APPLICATIONS

PROTOTYPE PHOTOVOLTAIC PV PANEL - PHOTOVOLTAIC POWERED REFRIGERATOR - INSTRUMENTATION - BATTERY CASE

REAR INSULATION BOXES OF THE NOCT TEST OF THE PHOTOVOLTAIC SOLAR ARRAY

PHOTOVOLTAIC VILLAGE POWER SYSTEM FOR SCHUCHULI ARIZONA PAPAGO INDIAN RESERVATION - EQUIPMENT COMPONENTS

PHOTOVOLTAIC PROJECT IN SCHUCHULI ARIZONA DEDICATION

PHOTOVOLTAIC PROJECT IN SCHUCHULI ARIZONA DEDICATION

PHOTOVOLTAIC PROJECT IN SCHUCHULI ARIZONA DEDICATION

PHOTOVOLTAIC PROJECT AT THE SCHUCHULI ARIZONA

VARIOUS COMPONENTS OF PHOTOVOLTAIC VILLAGE POWER SYSTEM IN AFRICA

PHOTOVOLTAIC PROJECT IN SCHUCHULI ARIZONA DEDICATION

PHOTOVOLTAIC VILLAGE POWER SYSTEM FOR SCHUCHULI ARIZONA PAPAGO INDIAN RESERVATION - EQUIPMENT COMPONENTS

PHOTOVOLTAIC PROJECT AT THE SCHUCHULI ARIZONA

PHOTOVOLTAIC PROJECT IN SCHUCHULI ARIZONA DEDICATION

APEX ADVANCED PHOTOVOLTAIC EXPERIMENT MODEL

PHOTOVOLTAIC VILLAGE POWER SYSTEM FOR SCHUCHULI ARIZONA PAPAGO INDIAN RESERVATION - EQUIPMENT COMPONENTS

PHOTOVOLTAIC VILLAGE POWER SYSTEM