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US Patent: 677,674
Recording Gage of Steam Pressure on Boilers
Patentee:
Coleman J. Manning (exact or similar names) - Medford, Middlesex County, MA

USPTO Classifications:
346/123, 346/17, 346/72, 73/712, 73/736

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers : steam pressure gauges
gauges : vacuum and pressure gauges
industrial tools : pressure indicators
industrial machines : industrial recording apparatus

Assignees:
American Steam Gauge Co. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 02, 1901
Granted: Jul. 02, 1901

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Steam Gauge Co.

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