Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 414
wn ata and a are placed one-half a tread from c, this will produce in theelevation a pitch-line over the tangents equal to that over the flightsadjoining, as shown in Fig. 136, in which also is shown the face-mouldfor the wreath that will span over the curve from one flight to another. In Fig. 137… … THE STEEL SQUARE INTRODUCTORY The Standard Steel Square has a blade 24 inches long and 2inches wide, and a tongue from 14 to 18 inches long and 1^ inches wide. The blade is at right angles to the tongue. The face of the square is shown in Fig. 1. It is always stampedwith the manufacturers name and…
Architecture · Building
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