Electric fixtures & glassware : F & G section, 13th ed. (1911)
Balding & Mansell, England · leaf 280
G 7947 6 6 each I I Sill, with ISm Bead I rii .: Spi i.iiti suitabli foi < >-i.iin I .amps 4ms. diameter top, with ljm hole ii.in- deep, 5Auiv diameter bottom
Electric lighting · Lighting, Architectural and decorative · Electric signs
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