Electrical door locking and operating device, Figure 3, Emergency mechanical release. - NARA - 296684.jpg
en
Electrical door locking and operating device, Figure 3, Emergency mechanical release. NARA 296684, Mechanical diagrams, US National Archives series: Administrative Files, compiled 1934 - 1963, Images from the National Archives and Records Administration, US National Archives location: other, Electrical door locking and operating device, Figure 3: Emergency mechanical release.
commons
ja
電気ドアロックと動作装置、図3、緊急機械解除。NARA 296684、機械図、米国国立公文書館シリーズ:管理ファイル、1934-1963年、米国国立公文書記録管理局の画像、米国国立公文書館の位置:他の、電気ドアロックおよび動作デバイス、図3:緊急機械解除。
commons_translated
electrical device holding device mechanical device coin-operated paste-up mechanical mechanically