Patent Model - Brick-Machine
Maker and role
James Hotchkiss, Patentee
Production date
Jul 17 1860
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Object detail
Media/Materials
Wood, brass, steel
Measurements
11 3/4 x 11 x 7 3/4" (29.8 x 27.9 x 19.7cm)
Description
Hotchkiss claims as his invention "the combination and arrangement of the single spiral wing H and the double spiral wings I, I, turning in opposite directions, and both producing a downward action..." (Patent Number 29,171)
Collection
Object number
2015.14.333a,b
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Maker
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