Benjamin Electric Mfg. Co., manufacturers, wireless clusters and lighting specialties. (1912)
Benjamin Electric Mfg. Co. · Benjamin Electric Mfg. Co. · leaf 57
for interior work. W dNi lead inthe sides; in other sod the I They have spring <• nter conl in.I binding screws are aeeessiblefrom the i en tral opening. They are one-pi< low-voltage circuits not requiring cut-out or short-eimiiting mechanism. With fittirm-. Nmachine screws are furnished. For… … (■ N *411*461*431 413453433 697598699 Cat. No. 413 Keyless Socket, 4*. a K Key Socket, u Pull Socket, », ..
Electric lighting · Division 26 - Electrical · Lighting
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