Patent Model - Improvement in Methods of Drying Celluloid

Maker and role
Jarvis Edson (b.1845, d.1911), Patentee
The Celluloid Manufacturing Company (estab. 1872), Assignee
John Hyatt (b.1837, d.1920), Manufacturer
Production date
Sep 02 1879
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Object detail

Wood, iron
9 1/4 x 8 1/2 x 6 3/4" (23.5 x 21.6 x 17.1cm)
Edson's patent "relates to an improved method of drying substances having the form of sheets. While it is especially adapted to drying sheets of plastic material, it may be successfully practiced in the treatment of other substances...It consists in providing an upright frame, of the requisite strength and proportions, which is provided with horizontal rests or cross-pieces, adapted to support a series of horizontal frames, between which smaller frames,employed to hold the material are inserted horizontally..." (Patent number 219,235)
Object number
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