The American house-carpenter; a treatise on the art of building, and the strength of materials (1873)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 156
er, a b, drawn through the middle cfthe diagonal, e /, is taken at pleasure; and d c is parallel to ae. To find the length of d c, draw b A, at right angles to a 6 yupon o, with o f for radius, describe the arc,/ A, cutting 6 h inh ; then make o c and o d, each equal to b h.* To draw the curve,see… … Fig. 1S8. 250.—Fig. 187 and 188 are designs for antae caps. The * The manner of ascertaining the length of the conjugate diameter, dc,m this figure,and also in Fig. 143,193 and 199 is new, and is important in this application. It iafounded upon well-known mathematical principles, viz: All the…
Carpentry · Architecture
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