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

H. Krantz Manufacturing Co. · leaf 40

An illustration from Standard and water-tight boxes for all electrical installation purposes, 1908, leaf 40 — circu,t holes For Trim 1- Umber and size of «» and opening. If 39 KRANTZ TRADE HARK. SPECIAL STYLES OF STEEL BOXES. PANEL STYLE I. B.-2 I. B -4 … PANEL 35^ oooooo I.B.-5 =1

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

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