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 82
df: then the distance from b to b shows the length of the first jackrib, from dtod the length of the second, and from/ to/ the third. How to bevel the Angle Bibs, so that they shall range with each opening of the Groin. First get the ribs out in two halves or thicknesses, as at JE and F, then draw… … Fu/ .
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
