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
Fig. 9. … AR Fig. 10. the main framework, and is connected by a rack and pinion to the bar onwhich the recording wheels are mounted. As the tracing point is movedoutwards the recording wheel moves outwards on the disc and so is rotatedmore quickly. That is, for uniform linear motion of the machine the rate…