dividing engine

dividing engine
Machine used to mark off equal intervals accurately, usually on precision instruments.

Georg Friedrich von Reichenbach (1772–1826), a German maker of astronomical instruments, designed an early dividing engine, and Jesse Ramsden (1735–1800), a British pioneer in the design of precision tools, designed dividing engines of great accuracy for both circles and straight lines and produced highly accurate sextants, theodolites (see surveying), and vertical circles for astronomical observatories.

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Universalium. 2010.

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  • Dividing sinker — Dividing Di*vid ing, a. That divides; separating; marking divisions; graduating. [1913 Webster] {Dividing engine}, a machine for graduating circles (as for astronomical instruments) or bars (as for scales); also, for spacing off and cutting teeth …   The Collaborative International Dictionary of English

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  • dividing machine — noun see dividing engine …   Useful english dictionary

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