Home / Circa 1900 Household Technology and Scientific Instruments Auction / A BRASS MECHANICAL CALCULATOR 'THE ADDER' PAT 1868

A BRASS MECHANICAL CALCULATOR 'THE ADDER' PAT 1868

162: A BRASS MECHANICAL CALCULATOR 'THE ADDER' PAT 1868

A brass mechanical adding machine with two wheels, mounted in a wooden frame, 'The Adder' by C.H. Webb, patent dated 1868.
Measures 7 x 4.75 inches.
Very good condition.
$75 - $125

Circa 1900 Household Technology and Scientific Instruments Auction

Saturday, November 17th 2018


SOLD - $90

Sold Price does not include Buyer's Premium