Leeds, Charles Carley, 1870- · New York, D. Van Nostrand company · leaf 18
ines at one side and pass midway between that line andthe next at the opposite side, as indicated by the light dash line d-e.In other words, the slope equals half of the pitch of the thread. Place the dimensions just as shown in the illustration, and makethe figures carefully, so that there can be… … CLASS Indusfrial trade t/^achlnisfSAt^c John W. Roberts date Feb.P0.06. THE CARNEGIE TECHNICAL SCHOOLS PITTSBURGH. PA. School Or Apprentices and Journeymen NfECHAN/CAL. Of AWING Machine Bolt ^scALE Full Size ona.No.C.IOOl LESSON No. 5. LETTERING.—The average student does not fully appreciatethe…
Mechanical drawing
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