The carpenter and joiner's assistant : being a comprehensive treatise on the selection, preparation, and strength of materials, and the mechanical principles of framing, with their application in carpentry, joinery, and hand-railing : also, a course of instruction in practical geometry, geometrical lines, drawing, projection, and perspective : and an illustrated glossary of terms used in architecture and building (1860)
Newlands, James, 1813-1871 · Glasgow : Blackie and Son · leaf 142
al. In Fig. 408, A is the horizontal, and B the vertical pro¬ jection of a pyramidal roof with a square base, set on an octagonal pavilion roof of lower elevation. In Fig. 409, A is the horizontal, and B the vertical pro¬ In Fig. 404, I and K are the horizontal and vertical jection of a pyramidal… … In big. 410, A and B are the horizontal and vertical projections of a conical roof set on a square pyramid. In Fig. 411, A and B are the horizontal and vertical projections of an acute conical roof set on an octagonal d kind as the last, only the curves of the arrises are por¬ pyramid. tions of…
