The American house carpenter. A treatise on the art of building. Comprising styles of architecture, strength of materials, and the theory and practice of the construction of floors, framed girders, roof trusses, rolled-iron beams, tubular-iron girders, cast-iron girders, stairs, doors, windows, mouldings, and cornices; together with a compend of mathematics. A manual for the practical use of architects, carpenters, stair-builders, and others (1880)
Hatfield, R. G. (Robert Griffith), 1815-1879, Hatfield, O. P., ed · New York, J. Wiley & sons · leaf 333
, or at any other point at will. Then through 71 in theplan draw in^ s tangent to the circle at n ; and perpendicu-lar to this tano^ent draw n it,,, and d d,,; make 11 n , equal ton^ It of Fig. 162 ; from d erect d d^ perpendicular to in d; 294 STAIRS. make the angle d m d^ equal to that of h^^^ j… … therefore 7?tj 7Ji is the intersecting line parallel to which allthe ordinates of the plan are to be drawn, and perpendicularto which 771^^ n^, the measuring base-line, is drawn. MakeTtj 71^^^^ equal to 71 n^^; connect w^^ and n.^^^, and then transfer CARE REQUIRED IX DRAWIxXG. 295 by the ordinates…
Carpentry · Architecture · Building
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