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CA Patent: CA-69
An improvement in the furnaces of steam engine boilers
Patentee:
M. Gardner - Hespeler, ON Canada

USPTO Classifications:

Tool Categories:
industrial furnaces
specialty machines : industrial furnaces
propulsion and energy : steam apparatus : stationary boilers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Sep. 18, 1869

Patent Pictures:
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