The carpenter's new guide: being a complete book of lines for carpentry and joinery. Treating fully on practical geometry, soffits, brick and plaster groins ... with a great variety of designs for roofs, trussed girders ... with many other things entirely new: the whole founded on true geometrical principles; the theory and practice well explained and fully exemplified on eighty-four copper-plates; including some observations and calculations on the strength of timber (1830)
Nicholson, Peter, 1765-1844 · Philadelphia, J. Grigg · leaf 231
Flal^ (j4. … STAIR-CASING. 97 PLATE LXIII. Plan and elevation of an elliptical stair-case. In every kind of stair-case whatever, thebreadths of the heads of the steps are always reckoned on a line, bisecting their length, or at18 inches distant from the rail. In this example the steps are divided into equal…
Carpentry
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