Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 75
allel to the base; its altitude is theperpendicular distance between \h.e bases. 55 42 MECHANICAL DRAWING SPHERES A sphere is a solid bounded by a curved surface, every pointof which is equally distant from a point within called the center. The diameter is a straight line drawn through the center… … Fig. 83. Plane Tangent to Sphere Fig. 84. Large Circle Fig. 85. Small Circle one point. A plane perpendicular to a radius at its outer extremityis tangent to the sphere, Fig. 83. An inscribed polyedron is a polyedron whose vertices lie in thesurface of the sphere. A circumscribed polyedron is a…
Architecture · Building
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