Patent Model - Gunpowder Punching-Machine
Maker and role
Thomas Shaw (b.1838, d.1901), Patentee
Production date
Jan 20 1880
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Object detail
Media/Materials
Iron
Measurements
8 3/4 x 4 3/4 x 6 1/2" (22.2 x 12.1 x 16.5cm)
Description
Shaw's invention "consists in the production of a machine actuated by explosive compounds in a confined chamber, that forcibly ejects a piston or plunger, to which is secured the desired punch or other tool that is to cut, impress, or shear metal or other material requiring great force to act upon the same..." (Patent Number 223,767)
Collection
Object number
2006.9.1
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