Mechanical exercises, or, The elements and practice of carpentry, joinery, bricklaying, masonry, slating, plastering, painting, smithing, and turning (1812)
Nicholson, Peter, 1765-1844 · London: J. Taylor · leaf 389
bent rule through thepoints, a, b, c, &c. and the other half B D beingdrawn in like manner will complete the wholecurve. Secondly, To find the Joints. Let it be required to llad a joint to any point E.Join EB, which bisect atg: (\x2iWglii perpendicu-lar to AE cutting the curve at h : make h i…
