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US Patent: 170
Improvement in concentrating-furnaces for smelting iron ores by the use of anthracite coal in which other kinds of fuel can be used
Patentee:
George Escol Sellers (exact or similar names) - Philadelphia, PA

USPTO Classifications:
144/121, 266/197

Tool Categories:
trade specific : foundryman
specialty machines : industrial furnaces

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Robert Kemp, Jr.
Charles Sellers

Patent Dates:
Granted: Apr. 20, 1837

Patent Pictures:
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