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US Patent: 394,857
Anvil and vise attachment
Patentee:
John P. Holt (exact or similar names) - Cleveland, OH

USPTO Classifications:
269/100, 269/239, 72/460

Tool Categories:
work holding : vises : anvil vises

Assignees:
None

Manufacturer:
Holt Manufacturing Co. (Cleveland) - Cleveland, OH

Witnesses:
Charles H. Dorer
Albert E. Lynch

Patent Dates:
Granted: Dec. 18, 1888

Patent Pictures:
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Vintage Machinery entry for Holt Manufacturing Co. (Cleveland)
Description:
From the 1889-05-09 The Iron Age: "Holt Mfg. Company, Cleveland, Ohio, issued a circular describing their Combined Anvil and Vise, the invention of their John P. Holt. It is reported as meeting with a large and satisfactory sale. The vise it so made that it can be separated from the anvil by driving ou the key with a single stroke of the hammer, and can be used as a clamp separate from the anvil. The back jaw has a lip projecting over upon the anvil, so that anything held by the vise can sustain heavy hammering."

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