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 250
what the column diminishes; into the same number of equal parts puta pin or brad-awl; lay a ruler from a to 5; mark the cross line at f; then lay a ruler from4 to a, and mark the next cross line at e; then lay the ruler from 3 to a, mark the next atd, and so on to the bottom; bend a slip round… … I- ^i^
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.