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Modern instruments and methods of calculation : a handbook of the Napier Tercentenary Exhibition (1914)

Horsburg, E. M. (Ellice Martin), Napier Tercentenary Exhibition (1914 : Edinburgh, Scotalnd) · London : G. Bell · leaf 239

An illustration from Modern instruments and methods of calculation : a handbook of the Napier Tercentenary Exhibition, 1914, leaf 239
Fig. 8. A modern planimeter whose working principle is the same as that of theearliest forms is illustrated diagrammatically in fig. 8. 14 210 SECTION G This machine was designed by Mr W. R. Whiting. It is guided along astraight edge, two small vertical rollers being fitted at the corners of… … Fig. 9.

Napier, John, 1550-1617 · Calculators · Mathematical instruments

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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