Leeds, Charles Carley, 1870- · New York, D. Van Nostrand company · leaf 82
nstruction on this subject. The bmding screw shown is an illustration which shows the valueof a knowledge of shop practice. This screw is machined in a lathein the manner shown by the solid lines; after being finished, it is placedin a special forming tool, where it is bent to the shape shown by… … -1 Bend thus IX ?r ■/f tbP!? Mil L#-4i ^ 1 -A 16 Thd. per in. CLASS /ncfusfriaf , tradc MachinistNAME John W^Roberfs date: Dec.JO.QZ THE CARNEGIE TECHNICAL SCHOOLS PITTSBURGH, PA. School or Apprenticcs and Journeymc/v JHeCHANCAL D/fAWING 12 Speed LatheTailstock Details SCALE full Size DWa-Na.…
Mechanical drawing
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