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Wanted:
The Chapin
Adding Machine
The Chapin adding machine was patented on September 6, 1870 by Gilbert W. Chapin, a resident of Brooklyn, New York at the time, though he grew up in Connecticut. Being a Connecticut resident myself, I'm particularly fond of the Chapin adding machine.
Have one for sale? Please email me at Antikey.Chop@gmail.com
Back to Wanted Calculators Page.
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