Benjamin Electric Mfg. Co., manufacturers, wireless clusters and lighting specialties. (1912)
Benjamin Electric Mfg. Co. · Benjamin Electric Mfg. Co. · leaf 12
Type 1 Diam. 4* Cat. No. 15.. … Type 3 T Diam. 4Cat. No. 34,T Till; i.(||.»wir es Wireli heir con- tact plates made in tions. I,,l lap each other, thus coi v, the lampa in without wires. (!oi >f different potential are \\i,|, parated. The] furnished with* flange, l>ut Bteel I! may be bd< i ifi< 1 without addi-tional…
Electric lighting · Division 26 - Electrical · Lighting
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