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 153
ded to be used as a difference-machine, the number of ordersof differences being sixteen. Moreover, the machine will also have thepower of automatically evaluating a wide range of miscellaneous formulas. (1) H.M. Nautical Almanac Office Anti-Differencing Machine. By T. C. Hudson. This machine… … Fig. i.—The Keyboard.
