Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 99
So MECHANICAL DRAWING. sions are properly foreshortened, as i inch will be representedby a length .8 inch long. The scale is constructed by layingoff the scale B, Fig. 37, the left side of which is graduated intofull-length inches and subdivisions, then projecting horizontallyto scale A, the right… … Fig. 37 To use scale A for the construction of isometric projections,the object is measured with the left side of the scale—the full-length scale—and the projection constructed with the right sideof the scale. By referring to Fig. 37 again it is seen that the full-lengthinches of A (those on the…
Mechanical drawing
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