 | Encyclopaedia Americana - 1830 - 632 pages
...pyramid, according to the definition of a pyramid. Cones are either perpeiulicuiar, if the axis, that is, the line from the vertex to the centre of the base, stands perpendicularly on the base ; or uliUt/iir. or sriilrnnus. if tho axis does not form a right... | |
 | Luke Hebert - Industrial arts - 1835 - 816 pages
...through the centre, and terminating at the circumference on the opposite sides. The axis of a cone is the line from the vertex to the centre of the base. The axis of a cglinder is the line from the centre of the one end to that of the other. Transverse axis,... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 630 pages
...pyramid, according to the definition of a pyramid. Cones arc either perpendicular, if the axis, that is, the line from the vertex to the centre of the base, stands perpendicularly on the base ; or oiditfiu, or scalenous, if the axis does not form a right angle... | |
 | Luke Hebert - Industrial arts - 1836 - 814 pages
...through the centre, and terminating at the circumference on the opposite sides. The axis of a cone is the line from the vertex to the centre of the base. The axis cf a cylinder is the line from the centre of the one end to that of the other. Transverse axis,... | |
 | Charles Taylor - Mathematics - 1881 - 486 pages
...Conica p. 9. Geminus lived about 150 BC (Cantor p. 52). J Colleetio lib. VH. §30 (vol II. p. 672, od. Hultsch). circle : the term Cone is used specially...(prop. 5). Any plane at right angles to the plane of the triangle through the axis meets the conical surface in general in one of the three curves formerly... | |
 | Charles Taylor - Mathematics - 1881 - 512 pages
...Geinhms lived about 150 BC (Cantor p. 62). J Colltetio lib. vn. §30 (vol II. p. 672, ed. Hultach). circle : the term Cone is used specially of the finite...(prop. 5). Any plane at right angles to the plane of the triangle through the axis meets the conical surface in general in one of the three curves formerly... | |
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Hultsch). circle : the term Cone is used specially of the finite portion of the superfices between the vertex and the circle or base. The Axis is the line from the vertex to the centre of the base. The plane through the axis at right angles* to the base... 