Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 146
n which it is to be lettered on the drawingsheet, with its middle point on the center line of the title. PENCIL MECHANICAL DRAWING 141 9. Letter each line, following the spacing on the trial line.The result should he a perfectly balanced title. DATA FOR DRAWING PLATE 13 Given: The orthographic… … Fig. 145. Lettering Plate 13 2. Draw the border line as previously explained. 3. Calculate the size of the enclosing rectangle. 4. Lay off as many of the dimensions of the object as possibleat one time. Draw the lines lightly. 5. Check the drawing for accuracy. 6. Erase unnecessary lines and…
Mechanical drawing
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