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 188
he semi-circumference of the circle. Upon this line lay off the tread of a step O P, and draw lines from those points to thecentre C, which gives the position of the risers K K, on. the circular part of the string-board,at the points S S. Also the position of the same riser on the carriage is… … J/at, 5J:. Sfrf/t/r//n/f/ ti/c/f/.snlr fa//f//f/ 7/i<i7iM.
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
