DRIVE ROOM FRAMING AND COLLECTOR - NARA - 17419941.jpg
Martin Brown
en
DRIVE ROOM FRAMING AND COLLECTOR NARA 17419941, 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, DRIVE ROOM FRAMING AND COLLECTOR
commons
ja
国立公文書館所蔵 DRIVE ROOM FRAMING AND COLLECTOR NARA 17419941, 国立公文書館所蔵 DRIVE ROOM FRAMING AND COLLECTOR
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collector framing slip ring reflectorize swivel thereof