10 SOLAR COLLECTOR ABSORBER PANELS - NARA - 17443827.jpg
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10 SOLAR COLLECTOR ABSORBER PANELS NARA 17443827, US National Archives series: Photographs Relating to Agency Activities, Facilities and Personnel, Images from the National Archives and Records Administration, US National Archives location: other, 10 SOLAR COLLECTOR ABSORBER PANELS
commons
ja
10 国立公文書館所蔵:国立公文書館所蔵:他10件、国立公文書館所蔵:10件
commons_translated
absorber absorbable collector optical density slip ring reflectorize absorb swivel thereof