Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 34
. Use the 3H pencil for lettering, sharp-ened to a conical point as for freehand sketching. Fig. 8. Number, Order, and Direction of Strokes. Each letter ornumeral is made by one or more strokes. In general, verticaland inclined strokes are made downward and horizontal strokes PERSPECTIVE SKETCHING… … Fig. 19. Order, Number, and Direction of Strokes The Scale of Heights. For convenience in estimating ver-tical distances the space between the guide lines is divided intofour equal parts. Fig, 19. A Scale of Widths. The width of the H is taken as the unitof width. The total letter distance is…
Mechanical drawing
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