115 Volt, 50 Watt, coiled tungsten 'triple inverted V' filament, electric lamp. Made by Siemens England. Used in the vertical, cap down position. This type of lamp was used in episcope or epidiascope projectors.

Physical Description

318 mm (12.5 inch) circumference, round, glass globe. Coiled tungsten filament, zig-zagged vertically between 7 wire supports and two glass rods. Exhausted at base of globe. Prefocus P28 cap. Single pin contact.

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