The builder & workman's new director : comprehending definitions and descriptions of the component parts of buildings. the principles of construction and the geometrical development of the principal difficulties that usually occur in the different branches of mechanical professions employed in the erection of edifices (1824)
Nicholson, Peter, 1765-1844, author · [London] : John Day, Mark King, James Pringle, Henry Joll, Edward Sanders, Robert Johnson, William Foster, John Wright & Thomas Prosser · leaf 258
l. Suppose, for instance, that a circular bow in the wall of a house has a chord of feet, and versed sine 6 feet, and that a window 4tfeet wide with a semicircular head is to be inserted in the bow, the versed sine answering to a chord of 4 feet will not exceed inches. In this case, the waste of… … and eO. Draw ok at any convenient distance which the thickness of stuff might require parallel to ae, meeting Fa in o, and Ts in k. We have now given two parallel lines ae and ok in the determinating plane FTea of a cylinoid, and the end of the cylinoid FKT or TKX to construct that portion of the…
Architecture · Building · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
