The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 146
other al-ternately. 243.— To describe tke Grecian torus and scotia. Join theextremities, a and 6, {Fig. 148;) and from/, the given projectionoi the moulding, draw/ o, at right angles to the fillets ; from 6,draw h A, at right angles io a h; bisect a b in c; join / and c,and upon c, with the radius,… … Fig. 148. ters of the required ellipse. To describe the curve by intersec-tion of lines, proceed as directed at Art. 118 and note; by atrammel, see Art. 116; and to find the foci, in order to describe itwith a string, see Art. 115. d d ^ ^^ < \ ^ a h a Fig .149. Fig. 1 50. 244.—Fig. 149 to 156…
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
