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 44
Tig. 50 90.—To describe a circle withvn cmy given tnricmgle^ so thatthe sides of the triangle shall he tam^gical. Let ah c^ {Fig. 50,)be the given triangle. Bisect the angles a and 5, according toArt 77; upon d, the point of intersection of the bisecting lines,with the radius, d e, describe the… … 32 AMEKICAN HOrSE-CAErEXTEE. 91.—About a given circle, to describe an equi-lateral tri-angle. Let a db c, {Fig, 51,) be the given circle. Draw thediameter, c d; upon d, with the radius of the given circle,describe the arc, aeb; join a and b; draw/g, at right anglesto d c ; make/* c and c g, each…
Carpentry · Architecture
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