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Standard and water-tight boxes for all electrical installation purposes (1908)

H. Krantz Manufacturing Co. · leaf 15

An illustration from Standard and water-tight boxes for all electrical installation purposes, 1908, leaf 15
!. 1. 9 Boxwith <i. Cover. Outside dimeiof box, No. 309 Box with F. Cover. V

Electric lighting · Electrical engineering · Electrical Machinery · Electrical Equipment · Wiring Equipment

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