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US Patent: 1,498,861
Water Column
Patentee:
William Oliver Ashe (exact or similar names) - Yonkers, Weschester County, NY

USPTO Classifications:
73/297

Tool Categories:
transportation : railroads : railroad locomotives : boiler water gauges

Assignees:
Nathan Mfg. Co. - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 16, 1921
Granted: Jun. 24, 1924

Patent Pictures:
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"Vintage Machinery" entry for Nathan Mfg. Co.
Description:
Original application filed 16 Jun., 1921. Divided and this application filed 14 Sept., 1922.

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