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US Patent: 18
Machine for countersinking to receive bushes in the sheaves of ships' tackle-blocks
Patentee:
Thomas Blanchard - New York, NY

USPTO Classifications:
126/1R, 144/145.1, 408/1R, 408/3

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. Sevrell
John C. Goddard

Patent Dates:
Granted: Aug. 31, 1836

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Thomas Blanchard

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