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 65
i and Z 7i, this will complete the figure. When the axes are proportioned to one another as 2 to 3, theextremities, c and c?, of the shortest axis, will be the centres fordescribing the arcs, i I and m n ; and the intersection of e d withthe transverse axis, will be the centre for describing the… … 121.— To draio an oval in the j^^oportion^ seven by nine.Let c d^ {Fig. 87,) be the given conjugate axis. Bisect c c? in o,and through o, draw a 6, at right angles to c d ; bisect c o in e ,upon 0, with o e for radius, describe the circle, e f g h ; from e,through h and/, draw e j and e i ; also,…
Carpentry · Architecture
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