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 445
g the entire surface find the shadow of the of the moulding, and prolonged unbroken beyond it. This centre, as in the vertical may easily be demonstrated by finding the position of the projection, Fig. 1, Plate i ' GIL shadow of any number of points such as d', taken at plea¬ To find the shadow of… … 3 A i J A is cut by the vertical the slip. plane obliquely to its base. — See also illustration Fig. 2, Problem YIII. — The projections of a circle and of the light being given, to find the shadow of the circle on the Plate CII. Fig. 539. Figs. 538 and 539 horizontal plane. present no difficulty,…
