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 126
ion Volume in Cubic Inches + - A Square prism 3x3 x2V2 22.5 B Rectangular plate 5x6x1 30. C Cylinder 1 X 3.1416 x3 9.42 Totals 52.5 9.42 {A ^B) -C = Net volume52.5 - 9.42 = 43 + cul^ic inches ESTIMATION OF WEIGHTS 109 For the ring shown in Fig. 276 find the area of the cross section Aand multiply… … Mean Diameter-Fig. 276 three cyhnders, two positive and one negative. The round atX may be balanced against the fillet at y for approximation pur-poses. Allow say Vieth inch on each of the finished surfaces.The calculations wiU be as tabulated.
Mechanical drawing
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