Note 12 — II. INNOVATIONS IN GUNTER’S SCALE
Reading edition
The Description and Use of a Joynt-Rule: . . . also the use of Mr. White’s Rule for measuring of Board and Timber, round and square; With the manner of Vsing the Serpentine-line of Numbers, Sines, Tangents, and Versed Sines. By J. Brown, Philom., London, 1661.