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Expired
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Ronald Rand Mumford
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Apparatus Associated With Microorganisms And Enzymes
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Devices For Use In Laboratory Experiments
(AREA)
Abstract
11,947. Mumford, R. R. June 7. Stoppers. -Relates to stoppers of indiarubber composition, or other substance that can be moulded, particularly adapted for closingbottles containing alkalies, acids, and other chemicals, and also for laboratory apparatus. The body of the stopper is provided with a central space b, and the invention consists in forming the upper end of the stopper with a central hole for the attachment of rods and tubes for laboratory use.
GB190511947D1905-06-071905-06-07Improvements in and relating to Stoppers for Bottles and similar Receptacles.
ExpiredGB190511947A
(en)