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XC Patent: XC-1,291
An improved mode of operating variable expansion steam cut-off valves
Patentee:
Alexander S. Walbridge (exact or similar names) - Bedford, QC Canada

USPTO Classifications:

Tool Categories:
propulsion and energy : steam engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Nov. 28, 1861

Patent Pictures:
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for A. S. Walbridge
Description:
XC patents are Canadian patents issued between 1824 and 1869.

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