An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth (1888)
Gwilt, Joseph, 1784-1863, Papworth, Wyatt Angelicus Van Sandau, 1822-1894 · London Longmans, Green · leaf 347
linders and prisms, Is ap-plicable to cones and pyramids. 1176. In right pyramids, with regular and symmetrical bases, the edges or arrisses fromthe base to the apex are equal, and the sides of the polygon on which they stand beingequal, their developenient must be composed of similar isosceles… … regular polygon of an infinite number of sides, its developement becomes a sector of acircle ABUC (jiff. 498.) uhose radius is equal to the side AC of the cone, and thearc equal to the circumference of the circle which is its base. 11 77 Upon this may be traced the developement of the curves which…
Architecture · Architects
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