COPPER COIL AND THRUST BEARING - NARA - 17419094.jpg
en
COPPER COIL AND THRUST BEARING NARA 17419094, Coils (electricity), 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, COPPER COIL AND THRUST BEARING
commons
ja
国立公文書館所蔵の画像-他、国立公文書館所蔵の画像-他、複製・切断された画像
commons_translated
thrust bearing field coil thrust coil coiling relevance salience irrelevantly bearing coiled