Patent Model - Improved Composition Clock Case

Maker and role
Samuel Vance, Patentee
Edgar Smith, Patentee
Mitchell, Vance, and Company, Assignee
Production date
Jun 30 1868
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Object detail

Cement, zinc, brass
8 1/2 x 16 5/8 x 6" (21.6 x 42.2 x 15.2cm)
Vance and Smith's invention "relates, first, to a clock-case made of a composition of mineral matter, which may be variously colored, and mixed and moulded in a plastic state, so as to represent marbles of varied colors. And, secondly, our invention consists in moulding or cementing into a composition clock-case a grooved, rabbeted, or recessed metal ring, for receiving, holding, and uniting the clock-works thereto." (Patent Number 79,521)
Object number
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