Bell, Robert John Tainsh, <br/><br/>
An elementary treatise on coordinate geometry of three dimensions, 
/ Robert J.T. Bell. 
 - 3d ed. 
 - London :  Macmillan :  New York, St. Martin's Press,  1960, 1944 
 - xviii, 377, xlviii p.  illus.  22 cm. 
<br/><br/> includes index 
<br/><br/>1.	Systems of coordinates the equation to a surface<br/>2.	Projections. Direction-cosines. Direction-ratios<br/>3.	The plane. The straight line. The volume of a tetrahedron<br/>4.	Change of axes<br/>5.	The sphere<br/>6.	The cone<br/>7.	The central conicoids. The cone. The paraboloids<br/>8.	The axes of plane sections. Cicular setions<br/>9.	Generating lines<br/>10.	Confocal conicoids<br/>11.	The general equation of the second degree<br/>12.	The intersection of two conicoids. Systems of conicoids<br/>13.	Conoids. Surfaces in general<br/>14.	Curves in space<br/>15.	Envelopes. Ruled surfaces<br/>16.	Curvature of surfaces<br/>17.	Asymptotic lines – geodesics<br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Analytic--Solid.
<br/><br/><label>Dewey Class. No.: </label>516.23  / B4331