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Expired
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Thomas Eddleston
John James Winterbottom
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Individual
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Individual
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Publication of GB189725363ApublicationCriticalpatent/GB189725363A/en
25,363. Eddleston, T., and Winterbottom, J. J. Nov. 2. Chain pumps.- The discs 2 carried by the chain are made of rubber or the like, in order to minimize the leakage of liquid past them down the pump tube.
GB189725363D1897-11-021897-11-02Improvements in Chain Pumps.
ExpiredGB189725363A
(en)