Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 34
epre-senting those surfaces of an object which are in the shadow. The ELEMENTARY PRINCIPLES AND DEFINITIONS. *5 application of shade or shadow lines to drawings is the practicalmethod of shading drawings, the convention being as follows:Assume the drawing to be the object itself, and assume the…
Mechanical drawing
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