TOY WHISTLE PATENT. COUCHOIS, NEW YORK, NEW YORK, USA. 1900

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PATENT SPECIFICATION No.528. APPLICATION DATE: 9th January, 1900. SPECIFICATION ACCEPTED:17th February, 1900. TITLE: IMPROVEMENTS IN WHISTLES AND THE LIKE. APPLICANT: GARRETT JOHN COUCHOIS of 23, Union Square, New York, New York, USA. Size: 195mmx270mm. No. of pages of text: 2. No. of pages of drawings: 1. Size of page of drawing/s: 140mmx225mm. Brief Description of Patent: The invention relates to sounding toys, and more particularly to a class of whistles by which, tones varying in pitch, may be produced. The novelty of the invention lies in the combination with a sound producing device, of a casing communicating with the mouth cavity of the operator and utilizing the muscular contraction and expansion of said cavity, to vary the pitch of tone of the sound producing device, as will be hereinafter described and claimed. Condition: Slight crinkling.Wear to left hand edge where patent has been removed from the volume. This was sold by Manchester Library and has their stamp impression on some of the pages/drawings. Multiple Item Postage: Patents can be combined for postage costs, the cost is the same whether you purchase one or several, so check out our Ebay Shop patent listings as well. This patent specification has been disbound from a volume of 100 different patents. This is an original HMSO published item at the time, not a modern read more

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