Bertha E. Archer, GB189315944A
Improved Method of Sounding Whistles and the like in Combination with Bellows.
GB
On October 7, 1893, Bertha Eveline Archer, a resident of Penair, Truro, Cornwall, was awarded a patent for developing a portable whistle designed to attach to bellows. The whistle could be sounded as a warning, particularly for invalids.
Date of Application: 23 August 1893
Date of Issuance: 7 October 1893
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