Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 35
rom the angular point, a, with any radius,describe the arc, 6c/ and with the same radius, on the line, d e, 20 AMERICAN HOUSE-CARPENTER. and from the point, c?, describe the wcc,fg; take the distance, b c, and upon g, describe the small arc at/; join/and d ; and the angle, e df, will be equal to… … Fig. 34. 77.—To bisect an angle. Let a b c, {Fig. 34,) be the angle to be bisected. Upon 6, with any radius, describe the arc, a c; upon a and c, with a radius greater than half a c, describe arcs cutting each other at d ; join b and d; and b d will bisect the angle, a 6 c, as was required. This…
Carpentry · Architecture
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