DRAG FORCE ANEMOMETER - NARA - 17469196.jpg
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DRAG FORCE ANEMOMETER NARA 17469196, 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, DRAG FORCE ANEMOMETER
commons
ja
DRAGFORCE ANEMOMETER NARA 17469196、米国国立公文書館所蔵:ほか、DRAGFORCE ANEMOMETER関連写真
commons_translated
drag anemometer drag on