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 186
ake/ A: equal to /Z by the arc, I k, or makeg- kequal to gj by the arc, J k ; then the angle atj will be the top-bevil of the jack-rafters, and the one at k will be the down-bevil.^302.— To find the backing of the hip-rafter. At any con-venient place in b e, {Fig.. 215,) as o, draw m n^ at right… … Fig. 216.
Carpentry · Architecture
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