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Title: Layton's Improved Arithmometer, London, 1910, with 8-figure [Go to resource]
Description: Layton's Improved Arithmometer, London, 1910, with 8-figure input and 16-figure output, integral with oak case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: calculating machine (stepped drum) Temporal: 1910 Source: Science Museum Creator: Layton Identifier: 1986-614 Go to resource More Like this...
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