The carpenter's new guide: being a complete book of lines for carpentry and joinery (1850)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Lippincott, Grambo and co. · leaf 231
STAIR-CASING. 93 PLxiTE 67. Plan and elevation of an elliptical stair-case. In every kind of stair-case whatever, the breadths of the heads of the steps are alwaysreckoned on a line, bisecting their length, or at 18 inches distant from the rail. In thisexample, the steps are divided into equal…
Carpentry
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