Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 253
find the true angle betweenthe tangents as it is required on the face-mould to square the iointsof the wTcath at h. In Fig. 89 the same pitch is shown given to tangent m as in Fig.94; and in both figures the pitch is shown to be the same as that overand above the upper connecting tangents c and r/,… … 203 52 STAIR-BUILDIXG upon tlie pitch-line of the tangents over the well-hole. The anglesbetween the tangents of the face-moulds have been found in thisfigure by the same method as in Figs. 89 and 92, which, if comparedwith the present figure, will be found to correspond, excepting onlythe curves…
Architecture · Building · Carpentry
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