Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 250
Wind around ^yell-Hole, and Connect at Landing w?th Flight to Upper Story. 201 50 STAIR-BUILDING owing to it being made square to the tangent d, which is shown tohave the same incHnation as the rail of the flight adjoining. As previously stated, the use made of tangents is to square thejoints of… … Fig. 91. Tangents Unfolded to Find Their Inclination. a and m shown in this diagram, was demonstrated in Fig. 89; and howto find the direction of the tangents c and d was shown in Fig. 92. Fig. 94 is presented to help further toward an understandingof the tangents. In this diagram they are…
Architecture · Building · Carpentry
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