DOUBLER PLATES BEING MOUNTED ON BLADES - NARA - 17426998.jpg
en
DOUBLER PLATES BEING MOUNTED ON BLADES NARA 17426998, 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, DOUBLER PLATES BEING MOUNTED ON BLADES
commons
ja
複製された複製写真
commons_translated
doubler double-jointed double-space impeller impelling