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 427
ANDARDS LENGTHS OF CIRCULAR ARCS The table gives the lengths of circulararcs to the radius of one, for angles fromI to 180 degrees. The lengths for minutes of\> arcs are given at the right. To find the length of a circular arc withradius of i inch and angle of 45 degrees 20minutes. Opposite 45… … De-gree Length De-gree 45 Length De-gree Length De-gree Length Min. Length Min. Length 0 0.0000 0.7854 90 1-5708 135 2.3562 0 0.0000 45 0.0131 I 0.0175 46 0.8029 91 1.5882 136 2.3736 I 0.0003 46 0.0134 2 0.0349 47 0.8203 92 1.6057 137 2-3911 2 0.0006 47 0.0137 3 0.0524 48 0.8378 93 1.6232 138…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
