from the book's frontispiece: "Being a complete book of lines for carpentry and joinery. Treating fully on Practical Geometry, soffits, brick and plaster groins, niches of every description, sky-lights, lines for roofs and domes; ... with many other things entirely new: The whole founded on true geometrical principles;... eighty-four copper-plates; including some observations and calculations on the strength of timber" Tenth edition, 1830, published by John Grigg, Philadelphia.