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US Patent: 45,896
Atmospheric Hammer
Patentee:
William Dakin Grimshaw - Birmingham, Warwick, England

USPTO Classifications:
173/75, 91/335

Tool Categories:
metalworking machines : power hammers

Assignees:
None

Manufacturer:
Thomas Whitfield and Co. - Birmingham, Warwick, England

Witnesses:
Edward Joseph Hughes
John Bloodworth
Charles Edward Horez
James T. Graham

Patent Dates:
Granted: Jan. 10, 1865

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Thomas Whitfield & Co.
Description:
See also patent #GB-186400206.

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