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James William Mcmyn
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Individual
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Publication of GB190526637ApublicationCriticalpatent/GB190526637A/en
26,637. McMyn, J. W. Dec. 21. Stoppers, plain-cap.-A weighing-bottle for chemical analysis has a cap-like stopper b fitted to a ground seating a on the neck, the stopper and neck being preferably shaped so as to leave an annular space c round the lip and upper part of the neck.
GB190526637D1905-12-211905-12-21Improvements in Stoppering Devices for Weighing-bottles.
ExpiredGB190526637A
(en)