Small Comptometer
Sunny Bank Mills Ltd © All Rights Reserved
One of the earliest models of the Contex Comptometer Key Driven Adding Machine. It was mainly used for adding and subtracting in the Mill Office. The comptometer was a mechanical calculator before they had electricity and was used for over 80 years from 1887 till the 1960s.
Dimensions:
Length: 225mm
Width: 220mm
Height: 75mm
Materials: Bakelite, Glass, Metal
