Haswell, Charles Haynes, 1809- [from old catalog] · New York, Harper & brothers · leaf 297
PARABOLA. To Describe a Parabola, the Base and.Height Toeing given—Eig. lO. Operation.—Draw an isosceles triangle, as a b d, Fig. 10, thebase of which shall be equal to, and its height, c 6, twice thatof the proposed parabola. Divide each side, a b, d b, into any number of equal parts ;then draw…
Engineering · Mechanical engineering
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