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Comptometer

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The Comptometer was the first commercially successful key-driven mechanical calculator in use prior to the introduction of electricity. It was mainly used for adding and subtracting in the Mill Office and was used from 1887 until the 1960s (over 80 years).

Dimensions:

Length: 310mm
Width: 320mm
Height: 150mm
Materials: Metal, Bakelite

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The Sunny Bank Mills Archive represents a unique look at over 180 years of cloth production at the mill and the lives of those who worked here.

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