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Box 25, Pavilion, NY 14525

These are before and after pictures of my 10 HP single flywheel
Callahan pumping engine #1811. In the ‘before’ picture it
is lying on its side after a fire burned the timbers away. It had
been used to pump oil in East Brady, Pennsylvania. It took seven
years to find a governor for it, but I finally located one in
Connecticut thanks to the help of several engine men.

One nice feature about this engine is the governor stops the
camshaft from turning when it gets up to its correct RPM, then
starts it turning again when the flywheel slows down. The
‘after’ pictures were taken at the July 1987 Pioneer Gas
Engine Show.

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Preserving the History of Internal Combustion Engines