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US Patent: 689,640
Steam Engine Indicator
Patentee:
John Clark Dobbie - Glasgow, Scotland

USPTO Classifications:
346/5

Tool Categories:
propulsion and energy : steam apparatus : steam indicators

Assignees:
None

Manufacturer:
Dobbie-McInnes, Ltd. - Glasgow, Scotland

Witnesses:
Wallace Fairweather
John Armstrong, Jr.
J. C. Lebret
A. Witt

Patent Dates:
Applied: Dec. 10, 1898
Granted: Dec. 24, 1901

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Dobbie-McInnes, Ltd.

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