Leeds, Charles Carley, 1870- (from old catalog) · New York, D. Van Nostrand company · leaf 88
Drawing C-1033. The cone pulley has four steps, or different diameters, giving fourdifferent speeds to the lathe spindle. Each step is made with itsgreatest diameter at the center; this is called Crowning, and as abelt will naturally run on the greatest diameter, this is of value inkeeping the belt… … ■ / I■4 I 6Thd.per inch U.S.Sfd. CL/^ss Industrial ti?a.dc MachinistNAM£ John W.Roberts oatc Jan.16.08, THE CARNEGIE TECHNICAL SCHOOLS PITTeBURSH, PA. School or Apppemtices and JoupseyMCN MECHANICAL DRAWING 12 Speed LatheHeadstock Details SCALE 4 Size DWG.r^a. C-/033 LESSON No. 39. HEADSTOCK…
Mechanical drawing
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