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US Patent: 55,918
Improved drilling-machine
Patentee:
Friedrich Shaller (exact or similar names) - Hudson, NY

USPTO Classifications:
144/196, 408/137

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John B. Longley
R. E. Andrews
Patent Dates:
Granted: Jun. 26, 1866

Patent Pictures:
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