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US Patent: 793,974
Reducing Wheel
Patentee:
Frank L. Wolfe (exact or similar names) - Medford, Middlesex County, MA

USPTO Classifications:
74/141

Tool Categories:
propulsion and energy : steam apparatus : steam engine indicators : reducing wheels

Assignees:
Crosby Steam Gage & Valve Co. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 15, 1904
Granted: Jul. 04, 1905

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
The Story of the Steam Engine Indicator
"Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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