Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 33
t4AME John W Roberts date Oci 24-06. THE CARNEGIE TECHNICAL SCHOOLS PITTSBURGH, PA.SCI-IOOL OF APPf/ENTICeS AMD JOURNEYMEUMECHAhUCAL DP AWING Sleeve SCALE Full Size DIV3.NO.C.I006 LESSON No. 12. PROJECTION.—Mechanical drawings to be clearly understoodand easily read should be made after certain… … Projection lines Plane Fig. views is maintained. To fully grasp the meaning of this, a knowledgeof projection is necessary. Every student of Mechanical Drawing should make a study of thesubject of projection, as a thorough knowledge of this subject is neces-sary in order to read drawings…
Mechanical drawing
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