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US Patent: 16,101
Boring and mortising machine
Patentee:
G. H. Stevens (exact or similar names) - Lowell, WI

USPTO Classifications:
144/79

Tool Categories:
woodworking machines : joint making machines : mortising machines
woodworking machines : wood drilling and boring : mortising machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. B. Bowen
Harriet Page
Patent Dates:
Granted: Nov. 18, 1856

Patent Pictures:
USPTO (New site tip)
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Description:
An early hollow-chisel mortiser. It actually uses a hammer—connected to the gearing—to advance the chisel.

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