Originally patented in 1926, this Felt & Tarrant Comptometer dates from 1928 — an early version of the trusty J-Model. Used to compute totals in busy companies and manufactures, Comptometers could be found in businesses from 1885 through the 1970’s. This J-Model is in excellent condition– each key still keeps count. 90 buttons mounted on a steel body with glass-covered ticker.
Measures 24″ x 12″ x 6″