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Expired
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John Lightfoot
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Individual
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Individual
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Publication of GB190819679ApublicationCriticalpatent/GB190819679A/en
19,679. Lightfoot, J. Sept. 19. Incandescent lamps.-A lamp holder is completely enclosed in an insulating-handle A, B, formed in two parts, the part B, which is extended to cover the end of the lamp, screwing on to the part A. Specification No. 21,328, A.D. 1901, [Abridgment Class Electric lamps &c.], is referred to. A guard or reflector may be fixed on the handle.
GB190819679D1908-09-191908-09-19Improved Safety Device for Portable Electric Hand Lamps.
ExpiredGB190819679A
(en)