Practical carpentry, joinery, and cabinet-making : being a new and complete system of lines for the use of workmen, founded on accurate geometrical and mechanical principles ... / by Peter Nicholson ; revised by Thomas Tredgold (1853)
Nicholson, Peter, 1765-1844, Tredgold, Thomas, 1788-1829 · London : Thomas Kelly · leaf 47
, turn the screw till the outside of theelastic bar, CD, coincides with the given points, and drawthe curve. G. Fourth Method.—To describe an arc of a circlethrough any three given points, A, B, and C, which arenot in a straight line. Join AB and BC; and from a, the middle of the lineAB, draw ab… … To describe an Ellipsis, of any Length and Breadth. 7. First Method.—Draw AC, (Jig. 4, pi. I,) equal to the length of the ellipsis, and divide itinto two equal parts AE, EC; through E draw a line perpendicular to AC, and make EB, EDeach equal to half the breadth. To find a point, as g, in the…
Carpentry · Joinery · Cabinetwork
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
