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Expired
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Carl Wolffhardt
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Individual
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Individual
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Publication of GB189921429ApublicationCriticalpatent/GB189921429A/en
Circuit Arrangement For Electric Light Sources In General
(AREA)
Abstract
21,429. Wolffhardt, C. Oct. 26. Globes and globe holders for electric incandescent lamps. A lamp cap a is made with an internallythreaded extension c to receive the threaded neck d of an outer globe e of any form.
GB189921429D1899-10-261899-10-26Improvements in or relating to Incandescent Electric Lamps.
ExpiredGB189921429A
(en)
Improvements in and relating to Sleeves or Sockets, chiefly designed for Simultaneously Connecting Globes, Reflectors, and the like to Electrical Incandescent Lamps.