The technic of mechanical drafting a practical guide to neat, correct, and legible drawing (1904)
Reinhardt, Chas. William (Charles William), b. 1858 · New York, The Engineering News Pub. Co. · leaf 26
can be maintained. This is made clear by referr-ing to Fig. 41, showing an evenly hatched surface, where neverthe- Cufoutaboufgand vary length,by a boutj£ less a and i:c indicate too riarrow and too wide spaces respect-ively, which are rectified by subsequent spaces, b and d, as related above.… … ~-j?of Corner Abovfri longer ihanfhefonqesfside of Celluloid Trctnqle. Fig 40. that hand slightly ex-tended, serve moder-ately to press the rul-ing edge down ; the triangle, sliding only on the lower edge of itshypothenuse, responds to the slightest motion. The parallel posi-tion of the lines, of…
Mechanical drawing
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