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 143
nd a o to b,and draw c d, at right angles to ab; extend the horizontal linesof the cornice. A, until they touch o d; place the height of theproposed cornice from o to e, and join / and e ; upon o, with theprojection of the given cornice, o a, for radius, describe the quad-rant, ad; from d, draw d… … Fig. 179. projection of the different members of the given cornice to a o,parallel to o d ; from these divisions on the line, a o. draw linesto the line, o c, parallel to a c ; from the divisions on the line, of,draw lines to the line, o e, parallel to the line, f e ; then the di-visions on the…
Carpentry · Architecture
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