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US Patent: 139,482
Improvement in wheel-quartering machines
Patentee:
William Sellers (exact or similar names) - Philadelphia, PA

USPTO Classifications:
408/53, 82/104

Tool Categories:
metalworking machines : drilling and boring : horizontal boring mills

Assignees:
None

Manufacturer:
William Sellers & Co. - Philadelphia, PA

Witnesses:
William S. Lynn
William E. Morgan

Patent Dates:
Applied: Dec. 11, 1872
Granted: Jun. 03, 1873

Patent Pictures:
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Vintage Machinery entry for William Sellers & Co.
Description:
"My invention relates to machines of that class especially adapted for boring crank-pin holes in the driving-wheels of locomotives..."

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