American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 416
he table of chords, page 388: Let therequired angle be 36° 38; the nearest angles in the table are 36° 30 and36° 40, and the chords are respectively 0.6263 and 0.6291, the differ-ence 0.0028 corresponding to an angular difference of 10. To findthe amount which must be added to 0.6263 (the chord… … In laying out an angle as in the accompanying illustration a baseline A B can be drawn, say 10 inches long, then with a radius A Band center A, arc B C can be struck. Multiply chord 0.62854 inchby 10 giving 6.2854 inches^ as the radius 01 an arc to be struck fromcenter B and cutting arc 5 C at C.…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
