Electric fixtures & glassware : F & G section, 13th ed. (1911)
Balding & Mansell, England · leaf 35
Fixed Part.1 wing Contacts. F 22071 1 0/6 eacli IHOSIMIOU UKOX/.K CONTACTS. Box Closed. Arm removed. Fitted with automatic Shutter which loses aperture when arm is removed.
Electric lighting · Lighting, Architectural and decorative · Electric signs
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