Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 348
ee PERSPECTIVE DRAWING 335 groups is known as an isometric line, and all distances onthese lines are, according to the usual method, laid off to thetrue dimensions, although, strictly, the length should be re-duced on account of the foreshortening effect an amountequal to a little over 0.8 of the… … Machinery Fig. 19. Isometric Drawing of a Pillow-block lines, diagonal lines inclining in each direction at an angle of30 degrees to the horizontal. Such paper is especially desir-able for making free-hand sketches. For example, if a sketchof the die-block shown in Fig. 18 were made on an…
Mechanical drawing
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