Haswell's engineers' and mechanics' pocket-book .. (1844)
Haswell, Chas. H. (Charles Haynes), 1809-1907 · New York, Harper & brothers · leaf 93
To find the Solidity of an Elliptic Spindle—fig. 47.Rule.—To the square of the greatest diameter a b, add the squareof twice the diameter ef at i of its length ; multiply the sum by thelength, and the product by .1309, and it will give the solidity nearly. To find the Solidity of a Frustrum or…
Engineering · Mechanical engineering
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