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US Patent: 200,285
Boring and Drilling Apparatus
Patentee:
Julius Hall (exact or similar names) - Middlesex County, England

USPTO Classifications:
408/72R, 82/1.3

Tool Categories:
metalworking machines : drilling and boring : boring heads

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 16, 1875
Granted: Feb. 12, 1878

Patent Pictures:
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