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Description: | One of eighty-six early incandescent lamps. Carbon filament lamp, single loop filament, no filament supports. Attached to platinum leads pressing through seal. Pear shaped bulb, clear, slight shoulder at base. Top p.p. Base apparently of lead with wide male screw, incentre of which is second contact. Manufacturer unknown. No ratings - has remnants of stuck on paper label. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | carbon filament lamp | Source: | Science Museum | Identifier: | 1923-173/44 | Go to resource |
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