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James Norman
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Individual
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Individual
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Publication of GB190823314ApublicationCriticalpatent/GB190823314A/en
23,314. Norman, J. Nov. 2. Lift valves; actuating valves.- A self-closing valve comprises a lift valve d loaded by a spring m and guided by a spindle e and wings n. The valve is opened by depressing a plate l attached to the two arms of a bifurcated lever h pivoted to the casing at k.
GB190823314D1908-11-021908-11-02An Improved Tap, Self Closing & without Glands or Packing, to be used for Hot or Cold Liquids.
ExpiredGB190823314A
(en)