6 FOOT GLASS SOLAR CONCENTRATOR - NARA - 17427644.jpg
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6 FOOT GLASS SOLAR CONCENTRATOR NARA 17427644, Concentrated solar power, 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, 6 FOOT GLASS SOLAR CONCENTRATOR
commons
ja
6FOOT GLASS SOLAR CONCENTRATOR NARA 17427644、太陽光発電の集中、米国国立公文書館シリーズ:活動・施設・人事に関連する写真、米国国立公文書館記録管理局の画像、米国国立公文書館の位置:その他、6FOOT GLASS SOLAR CONCENTRATOR
commons_translated
concentrate concentrated web-footed solar power cat's foot solar telescope