Patent Model - Improvement in Coal-Breakers
Maker and role
Philip Sharp, Patentee
Production date
Sep 16 1879
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Object detail
Media/Materials
Wood, iron, bronze
Measurements
10 x 10 x 11 1/2" (25.4 x 25.4 x 29.2cm)
Description
The objective of Sharps' patent is "to provide a coal-breaker which will be free from the wasteful crushing action of the roller-machine, and in which the splitting action of a series of reciprocating picks may be applied by simple, compact, and efficient mechanism." (Patent Number 219,773)
Collection
Object number
2015.14.2992a,b
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