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 229
ght is the same as that of the first, which is here and is gene-rally the case, the face-mould for the lower twist will, when re-versed, do for the upper flight: that part of the rail, therefore,which passes from e to c and from c to Z, is all that will need ex-planation. Suppose, then, that the… … Fi?. 263. be revolved on e c as an axis, in the manner indicated by the arcs,o n and a x^ until it coincides with the plane, e r t c ; the line, a0, will then be represented by the line, x n ; then add the paral-lelogram, xrt n^ and the triangle, ctl^ deducting the triangle, ers;and the edges of…
Carpentry · Architecture
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