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The American house carpenter: a treatise upon architecture, cornices and mouldings, framing, doors, windows and stairs. Together with the most important principles of practical geometry (1852)

Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 64

An illustration from The American house carpenter: a treatise upon architecture, cornices and mouldings, framing, doors, windows and stairs. Together with the most important principles of practical geometry, 1852, leaf 64
i and I n ; this will complete the figure. When the axes are proportioned to one another as 2 to 3, theextremities, c and d, of the shortest axis, will be the centres fordescribing the arcs, ^ Zand m ?i; and the intersection of e d withthe transverse axis, will be the centre for describing the arc,… … 121.— To draw an oval in the jjroportion^ seven by nine.Let c c?, {Fig. 87,) be the given conjugate axis. Bisect c d in o,and through o, draw a b, 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 ej and e i; also,…

Carpentry · Architecture

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