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 46
Fi>j J Fiq. 3. N!!. … J 3 J I .1 ,r7 I :i J I,/ f .. \ :, J I ,1 PRACTICAL GEOMETRY. 25 2d. Every section of a globe, cut by a plane, is a circle ; for the generating circle may be madeto revolve round any line, as an axis; and therefore every point in it will generate a circle,whose diameter must be twice the radius of…
Carpentry
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