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CA Patent: CA-740
Improvement in that portion now in ordinary use of steam engine, called or known as "the valve gearing"
Patentee:
I. W. Forbes - Windsor, ON Canada

USPTO Classifications:

Tool Categories:
propulsion and energy : steam engines : steam engine valve gear

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 10, 1870

Patent Pictures:
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