Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 67
e the length ofthe circumference of the semicircle in Fig. 143,by setting the parts a, b, c, d, e from C to F and 63 curve through all the points of intersection, asn, m, 1, k, i, h, and g. This will form the curvefor half of the development.To develop the intersection of two pipes which 64… … X —1— 1 1 11 Fig. 147. Fig. 146. 145, at right angles with FH, on FG describe asemicircle, and divide into any number of equalparts, as 1, 2, 3, 4, 5, draw lines through thesepoints at right angles with FH. Then describe a semicircle ABC representing the diameter of thelarger pipe, and extend the…
Mechanical drawing · Machine design
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