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 83
Kff. 112. … Fig. 113. of the circle ; that is, the angle Z>, {Fig. 113,) equals the angleA. Let cf be the chord, and a h the tangent; draw the dia-meter, d c; then ^ c 5 is a right angle, also <^ /* c is a rightangle. {Art. 156.) The angles A and B together equal aright angle, {Art. 150;) also the angles…
Carpentry · Architecture
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