Snyder, Virgil, 1869-1950, Sisam, Charles Herschel, b. 1879 · New York : H. Holt and Company · leaf 81
Fig. 26. … Arts. 57, 58] THE HYPERBOLOID OF TWO SHEETS 67 If a = b, the hyperboloid is the surface of revolution obtainedby revolving the hyperbola --- = 1, y = o about its conjugate axis. 58. The hyperboloid of two sheets. The locus of the equation d? h c^ = 1 is called an hyperboloid of two sheets. It is…
Geometry, Analytic
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