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 94
g. 182 where the ribs are sectioned but alternatelines are omitted. A note giving the number and thickness ofthe ribs would allow the end view to be dispensed with. Observethat the half end view is bounded by the center line and not bya full line, as the pulley has not been actually cut in half.…
Mechanical drawing
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