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Expired
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William Ingersoll Sherwood
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Individual
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Individual
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Publication of GB190800055ApublicationCriticalpatent/GB190800055A/en
Holding Or Fastening Of Disk On Rotational Shaft
(AREA)
Abstract
55. Sherwood, W. I. Jan. 3, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Gramophones.-A record-disk a is provided with a grooved peripheral ring b of softer material than the disk itself and preferably rubber, which provides a frictional grip upon the table d and protects the disk when stored with other disks.
GB190800055D1907-01-031908-01-01Talking or Sound Reproducing Machines.
ExpiredGB190800055A
(en)