The carpenter's new guide: being a complete book of lines for carpentry and joinery (1848)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Grigg, Elliot and co. · leaf 76
t A, take its height b c, and place itfrom b to c at C and D; then take the whole diameter of the arch A, that is, twice the radiusa c, and place it from the crown of the other arches perpendicular to their bases from c to bat C, and from c to d at D; then the arch may be drawn as in plate 8, by… … Fig. 2.
Carpentry
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