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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 134

An illustration from Modern instruments and methods of calculation : a handbook of the Napier Tercentenary Exhibition, 1914, leaf 134
inst it immediatelya number appears in the vie whole P. The ends of the carriage axles projectout of the machine : we can set up numbers in division, etc., by means ofthem. Special safeguards are provided here to prevent a rotation past 9,which would cause a carrying over of ten. From what has been… … Fig. 44.—(J actual size.) Coupling as seen from above (Section III III of fig. 42). ments) ; the second half of the crank turn is reserved for the completionof the process (which has been prepared for already) of carrying over thetens, and the raising of the next highest place in the passage from 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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