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US Patent: 182,224
Improvement in power hand-drill stocks
Patentee:
Charles W. Pratt (exact or similar names) - Deep River, CT

USPTO Classifications:
173/40, 408/124

Tool Categories:
woodworking tools : hand drills
trade specific : music instrument maker

Assignees:
Pratt, Read & Co. - Deep River, CT

Manufacturer:
Not known to have been produced

Witnesses:
Felix A. Denison
George A. Read

Patent Dates:
Applied: Mar. 06, 1876
Granted: Sep. 12, 1876

Patent Pictures:
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Description:
"The object of my invention is to provide a substitute for the fiddle bow-drill, and it is primarily designed for use in the manufacture of piano, melodeon, and organ keys..."

The assignee, Pratt, Read & Co., manufactured ivory keyboards.

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