Summary
240 Volt, 3000 Watt, gas-filled, coiled tungsten filament, electric lamp. This type of lamp was used in lighthouses.
Physical Description
691 mm (27 inch) circumference glass globe. Coiled tungsten filament wire (broken in two places) zig-zagged on top of support wires (spaced with horizontal support). Dark sooty material adhered to inside of glass globe, at top. Special Edison brass screw cap. Single pin contact.
More Information
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Collecting Areas
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Acquisition Information
Donation from Mrs George D. Flanagan, 03 Jul 1975
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Manufacturer
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Inscriptions
On globe: ' 240V 3000W / 80 / SIEMENS / GASFILLED / MADE IN ENGLAND ' On glass stem: ' 1891 '.
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Brand Names
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Classification
Energy technology, Illumination - electric, Electric light globes
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Category
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Discipline
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Type of item
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Overall Dimensions
380 mm (Length), 691 mm (Circumference), 220 mm (Outside Diameter)
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Keywords
Electric Lamps, Electric Light Globes, Electric Light Lamps, Electric Lighting, Electric Lights, Tungsten Mineral Products