Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 328
-liquity of the thread to the axis ; and in this respect its action is analogous tothat of a travelling rack, moving endwise one tooth, while the screw makes onerevolution on its axis. If the pitch-circle be divided into as many equal parts as there are teeth tobe given to the wheel, the length of… … 1,000 2,000 3,000 4,000 5,000 Stress in Pounds. Fig. 686. 6,000 7,000 9,000 face, represented by multiples of the pitch, are proportioned to the stress inpounds. If the pitch be known, the number of teeth in a wheel can be determinedapproximately by dividing the circumference of- the wheel by the…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
