Babbit, Arthur B · New York, H. Holt and company · leaf 189
edby a conical surface and aplane surface cutting all theelements of the conical sur-face. See Fig. 98. The altitude of a cone isthe perpendicular distancebetween the vertex and theplane of the base. ^^^- ^^ A circular cone is one whose base is a circle. A right circular cone is acircular cone… … Fig. 99 GEOMETRICAL DEFINITIONS 179 The altitude of a frustrum is the perpendiculardistance between the base and the cutting planeparallel to the base. Sphere A sphere is a solid bounded by a curved surfaceevery point of which is equidistant from a pointwithin called the center. The radius of a…
Mechanical drawing
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