Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 46
Fig. 59. for radius, describe arcs intersecting at c; join a and c, also cand h ; then a ch will be the triangle required. … Fig. 60 , 97.^ To describe an equi-lateral rectangle, or square. Leta b, {Fig. 60,) be the length of a side of the proposed square.Upon a and b, with a b for radius, describe the arcs, a d and be;bisect the arc, a e, in/; upon e, with e/for radius, describe thearc, c f d; join a and c, c and d, d…
Carpentry · Architecture
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