 A conical surface is the surface generated by a moving straight line which constantly touches a fixed curve and passes through a fixed point not in the plane of the curve. The moving...  Elements of Descriptive Geometry - Page 100by George Frederick Blessing, Lewis Andrew Darling - 1912 - 219 pagesFull view - About this book
 | George Albert Wentworth - Geometry - 1904 - 496 pages
...conical surface is the surface generated by a moving straight line which constantly touches a fixed curve and passes through a fixed point not in the plane of the curve. The moving straight line which generates the conical surface is called the generatrix, the fixed curve the directrix,... | |
 | William Chauvenet - 1905 - 336 pages
...ated by a moving straight line which continually touches a given curve, and passes through a given fixed point not in the plane of the curve. The moving line is called the generatrix; the curve which it touches is called the directrix. Any straight line in... | |
 | Isaac Newton Failor - Geometry - 1906 - 431 pages
...A conical surface is a surface generated by a moving straight line which constantly touches a fixed curve and passes through a fixed point not in the plane of the curve. The moving straight line is called the generatrix; the fixed curve, the directrix; and the fixed point, the vertex.... | |
 | Isaac Newton Failor - Geometry - 1906 - 440 pages
...A conical surface is a surface generated by a moving straight line which constantly touches a fixed curve and passes through a fixed point not in the plane of the curve. The moving straight line is called the generatrix; the fixed curve, the directrix; and the fixed point, the vertex.... | |
 | Clara Avis Hart, Daniel D. Feldman, Virgil Snyder - Geometry, Solid - 1912 - 222 pages
...is a surface generated by a moving straight line that continually intersects a fixed curve and that passes through a fixed point not in the plane of the curve. 838. Defs. By referring to ยงยง 693, 694, and 746, the student may give the definitions of generatrix,... | |
 | George Albert Wentworth, David Eugene Smith - Geometry - 1913 - 491 pages
...593. Conic Surface. A surface generated by a straight line which- constantly touches a fixed plane curve and passes through a fixed point not in the plane of the curve is called a conic surface or a conical surface. The moving line is called the generatrix, the fixed... | |
 | George Albert Wentworth, David Eugene Smith - Geometry - 1913 - 496 pages
...studied.) 593. Conic Surface. A surface generated by a straight line which constantly touches a fixed plane curve and passes through a fixed point not in the plane of the curve is called a conic surface or a conical surface. The moving line is called the generatrix, the fixed... | |
 | George Albert Wentworth, David Eugene Smith - Geometry - 1913 - 496 pages
...GEOMETRY 593. Conic Surface. A surface generated by a straight line which constantly touches a fixed plane curve and passes through a fixed point not in the plane of the curve is called a conic surface or a conical surface. The moving line is called the generatrix, the fixed... | |
 | John Charles Stone, James Franklin Millis - Geometry, Solid - 1916 - 196 pages
...conical surface is a surface traced by a moving straight line which constantly intersects a fixed plane curve and passes through a fixed point not in the plane of the curve. The fixed point is called the vertex. The moving line in any position is called an element of the surface.... | |
 | William Betz - Geometry - 1916 - 536 pages
...closed conical surface. 644. The fixed point is called the vertex of the pyramidal (or conical) surface. The moving line in any of its positions is called an element of the pyramidal (or conical) surface. The two parts of a pyramidal (or conical) surface on opposite... | |
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