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US Patent: 145,726
Improvement in pressure-gages
Patentee:
George H. Crosby - East Somerville, MA

USPTO Classifications:
73/737

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers : steam pressure gauges

Assignees:
None

Manufacturer:
Crosby Steam Gage & Valve Co. - Boston, MA

Witnesses:
William W. Burrage
J. H. Millett

Patent Dates:
Applied: Aug. 06, 1873
Granted: Dec. 23, 1873

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Aultman & Taylor Machinery Co.
"Crosby-Steam.com website"
"Vintage Machinery" entry for Crosby Steam Gage & Valve Co.
Description:
An example has been seen bearing the text "The Aultman & Taylor Machinery Co. / Mansfield, O. / The Crosby Gage / Crosby Steam Gage & Valve Co. / Boston / U.S.A. / Pat Dec 23'73".

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