Electrical door locking and operating device, Figure 4, Mechanism assembly. - NARA - 296685.jpg
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Electrical door locking and operating device, Figure 4, Mechanism assembly. NARA 296685, Electrical diagrams, 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 4: Mechanism assembly.
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ja
電気ドアロックと動作装置、図4、機械アセンブリ。NARA 296685、電気図、機械図、米国国立公文書館シリーズ:管理ファイル、1934-1963年、米国国立公文書館所蔵画像、米国国立公文書館所蔵:他、電気ドアロックと動作装置、図4:機械組立。
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electrical device holding device coin-operated circuit diagram mechanical device