US Patent: 227,962 - Dividing Engine


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US Patent: 227,962

Dividing Engine

Patentee:

Samuel Darling (exact or similar names) - Providence, RI

USPTO Classifications:

33/702

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

John E. Hall

Henry Drury

Patent Dates:
Applied:	Jan. 10, 1880
Granted:	May 25, 1880

Patent Pictures:

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Description:

While described as a dividing engine, this patent is better described as a comparator as the patent is for the blower that helps to maintain the temperature of the mathematical instrument being measured.