Beale, Oscar James, Brown & Sharpe Manufacturing Company (Providence, R.I.) · Providence, R.I. : Brown & Sharpe Mfg. Co. · leaf 116
of the teeth in the smallgear will be the same as the angle of teeth or spiral in PROVIDENCE, R. I. 9^7 the large gear. Now, this rule ffives the aiio-le at the -^ ciifrerence •XI £ 1 TT T 1 • ■ ,? lu Anglos at top pitcn suriace only. Upon looking at a small screw of ^:^ bottom ofcoarse pitch, it… … This will be seen in Fig. 43, where A O is the centerline ; b f shows duection of bottom of the thread, andd g shows diiection of top of thread. The angle A/* Jis less than the angle A g d, This difference of angleis due to the warped nature of a screw thread, andsometimes makes it necessary to…
Gearing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
