Snyder, Virgil, 1869-1950, Sisam, Charles Herschel, 1879-, Hill, Theodore Preston. Early American mathematics books. CU-BANC · New York, H. Holt and Company · leaf 85
FIG. 26. … ARTS. 57, 58] THE HYPERBOLOID OF TWO SHEETS 67 If a = 6, the hyperboloid is the surface of revolution obtainedby revolving the hyperbola x2_^==1 =0a2 c2 about its conjugate axis. 58. The hyperboloid of two sheets. The locus of the equationx2 y a* 62 c2 is called an hyperboloid of two sheets. It is…
Geometry, Analytic
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