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 201
ion may be performed with fewer manipulations than are necessaryon the ordinary type of slide rule. The instrument is the design of Professor E. Hanauer of Budapest. (15) W. F. Stanley & Company, Limited, Glasgow 1. Thachers Rule, consisting of two logarithmic scales, one on the… … Fig. 11. 2. Fullers Rule consists of a cylinder movable both round and parallelto its axis on a cylindrical stock to which a fixed index and a handle areattached. Another cylinder capable of telescopic and also rotational dis-placement lies within the stock and carries another index. A…
