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 38
the segment is found, and drawn witha compass, the difference will hardly be visible, and the flatter the segment, this differencewill become the more imperceptible; but if the height exceeds one-tenth of its length, thedifference will be visible; for then the arch will be quicker at the vertex,…
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
