Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 95
and side of the 77 78 ESSENTIALS OF DRAFTING drawing. Never use slant fraction lines. In most cases it isconsidered bad practice to place the figures upright as shown inFig. 184 where the figures may be easily read with the wrongdimension lines. Fig. 185 shows a better arrangement. Thewitness and… … Fig. 186 other. The center lines and object lines have only one purposeand should never be used as dimension fines. Generally thedimension lines can be kept outside of the views, thus keeping thesize and shape of the object separate. In such cases place thelarger dimensions outside the smaller ones…
Mechanical drawing
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