arithmometern.
/arɪθˈmɒmɪtə/ An instrument for working out arithmetical problems.
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the world > relative properties > number > mathematical instruments > [noun] > arithmetical instrument
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reckoner1757
counter1803
adding machine1822
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arithmometer1876
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1876 in S. Kens. Sci. Catal.
1879 W. Thomson & P. G. Tait Treat. Nat. Philos. (new ed.) I: Pt. i. §401 Calculating Machines.. up to the Arithmometer of Thomas of Colmar [in 1862].
This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2018).
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n.1876- prefatorily
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