The carpenter's new guide: being a complete book of lines for carpentry and joinery (1848)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Grigg, Elliot and co. · leaf 188
semi-circumference of the circle. Upon this line lay off the tread of a step O P, and draw lines from those points tothe centre 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 found,… … Plate 54. S/retitc/wut ot outside falling mould,.
Carpentry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
