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 192
equal to c 4 in the preyious figure, and c s equal to c 5 also in theprevious figure; then describe the inner edge of the board, H^according to Art. 87 : the outer edge can be obtained by gaugingfrom the inner edge. In like manner proceed to obtain the nextboard—taking p .5 for half the chord and p… … 312.— To find the shape of the angle-rib for a polygonaldome. Let AG H^ {Fig. 225,) be the plan of a given dome, and 176 AMERICAN HOUSE-CARPENTER. O Z> a vertical section taken at the line, e f. From 1, 2, 3, (fee,in the arc, C JD, draw ordinates, parallel to A Z>, to meet/ G ;from the points…
Carpentry · Architecture
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