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GB Patent: GB-183,908,188
Machinery for planing and cutting metals or other substances; machinery for drilling metals
Patentee:
Joseph Whitworth - Manchester, England

USPTO Classifications:

Tool Categories:
metalworking machines : metal planers
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 07, 1839

Patent Pictures:
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