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Expired
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Harry Reginald Prosser
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Individual
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Individual
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Publication of GB190804661ApublicationCriticalpatent/GB190804661A/en
4661. Prosser, H. R. March 2. Incandescent gas lamps.-The regulating - tap is arranged in close proximity to the nipple, and the gas passage a<2> in its plug is regulated preferably by a screw a<1> locked by a nut a<3>.
GB190804661D1908-03-021908-03-02Improvements in or relating to Incandescent Gas Lamps.
ExpiredGB190804661A
(en)