 | International Correspondence Schools - Engineering, Mechanical - 1897 - 612 pages
...passing through the apex (as O' H' , Fig. 1, or O'A', Fig. 2, etc.) is called an element. C. IV.— 6 curve formed by the intersection of a cone by a plane parallel to one of its elements is called a parabola. The plan and front elevations of the cone and curve of intersection are found in a manner... | |
 | International Correspondence Schools - Surveying - 1898 - 172 pages
...through ic apex (as O'H', Fig. 1. or O' A' . Fig. 2, etc.) is called an element. the apex SM II.— 6 curve formed by the intersection of a cone by a plane parallel to one of its elements is called a parabola. The plan and front elevations of the cone and curve of intersection are found in a manner... | |
 | International Correspondence Schools - Civil engineering - 1899 - 722 pages
...of a cone and passing through the apex (as O'H\ Fig. 1, or O'A., Fig. 2, etc.) is called an element. curve formed by the intersection of a cone by a plane parallel to one of its elements is called a parabola. The plan and front elevations of the cone and curve of intersection are found in a manner... | |
 | Agriculture - 1905 - 782 pages
...plane ab is, in this case, parallel to one of the elements * of the cone, and intersects the base. The curve formed by the intersection of a cone by a plane parallel to one of its elements is called a parabola. The plan and front elevations of the cone and curve of intersection are found in a manner... | |
 | International Correspondence Schools - Arithmetic - 1906 - 576 pages
...passing through the apex (as О Ч', Fig. 1. or O' A' , Fig. 2, etc.) is called an element. 114—23 curve formed by the intersection of a cone by a plane parallel to one of its elements is called a parabola. The plan and front elevations of the cone and curve of intersection are found in a manner... | |
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Fig. 2, etc.) is called an element. curve formed by the intersection of a cone by a plane parallel to one of its elements is called a parabola. The plan and front elevations of the cone and curve of intersection are found in a manner similar to the method... 