BRASS STUD AND INSULATING SLEEVE OFF INBOARD SLIP RING - NARA - 17420800.jpg
en
BRASS STUD AND INSULATING SLEEVE OFF INBOARD SLIP RING NARA 17420800, 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, BRASS STUD AND INSULATING SLEEVE OFF INBOARD SLIP RING
commons
ja
国立公文書館所蔵の画像:ほか、国立公文書館所蔵の画像:「潜伏」と「潜伏」の区別
commons_translated
brass ring insulating material slip ring slip off attached sleeves record sleeve insulate inboard swivel off the record dolman sleeve