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US Patent: 331,858
Balanced Slide Valve
Patentee:
Daniel A. Woodbury (exact or similar names) - Rochester, Monroe County, NY

USPTO Classifications:
91/241

Tool Categories:
propulsion and energy : steam engines : steam engine valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 02, 1885
Granted: Dec. 08, 1885

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Woodbury, Booth & Co.

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