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Expired
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Joseph Cook Angus
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Individual
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Individual
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Publication of GB190715958ApublicationCriticalpatent/GB190715958A/en
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Abstract
15,958. Angus, J. C. July 11. Lenses for railway signal and other lamps. Wedge or like pieces b are moulded on to the rear face at the sides to increase the lateral dispersion in lamp and other lenses.
GB190715958D1907-07-111907-07-11Improvements in Lamp and other Lenses.
ExpiredGB190715958A
(en)