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Patent Model "Pitman"
Rare, old patent model demonstrating pitman
(device for converting motion) designed by Solon O. Campbell of
Van Wert, Iowa. His design was patented July 4, 1882. You can
read the original patent and view a lithograph here:
The following dimensions are
approximate. Wood base for the model is 11" x 7". The flywheels
are 5" in diameter and 4" apart. The bore is 1" and stroke is
1.5". There is a paper certificate glued to the wood base, but
it is very difficult to read; however, the patent number is
legible. The model does move freely, but there is a wobble to
the left flywheel. Painted on the wood frame is the following
inscription: "PITMAN. PAT'D, JUL 4th 1882. You can leave the
model as-in with its original patina or you can polish it to
resemble a showman's engine.
$795. Buyer pays for crating & shipping costs. Cleveland,
"Chicago" Hydrostatic Lubricator
Reduced to $295
Hydrostatic Chicago Lubricator.
Medium hydrostatic lubricator manufactured
by Chicago Lubricator Company, Detroit Michigan. Manufacturer's
name is stamped in one location on the lubricator. Additionally,
the number 302973 is stamped after the manufacturer's name, The
item measures approximately 10" x 6" and weighs approximately 5
pounds and will ship from ZIP code 44120.
Crating & shipping charges not included. Cleveland,
OH. Contact me.
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the best of our knowledge, all items here are as described.
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