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 248
that is, half of what the column diminishes; into the same number of equal partsput a pin or brad-awl; lay a ruler from a to 5; mark the cross line at f; then lay a rulerfrom 4 to a, and mark the next cross line at e; then lay the ruler from 3 to a, mark thenext at d, and so on to the bottom; bend… … Piatt 74.
Carpentry
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