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 637
d /, cutting the arc icjin k and / ; from e^ through Ji, draw e m, also from /, throughh, draw fp; from k and / draw kr and ts parallel to gh.. 594 PRACTICAL GEOMETRY cutting em in r, and // in s^\ make km equal to Jir, and hpequal \.o hs\ then rin and sp will be the axes required, bywhich the… … Fig. 416. /y the transverse axis of a proposed smaller one. Join a andc\ from i draw ie parallel to <^^ ; make of equal to oc ; thenef will be the conjugate axis required, and will bear thesame proportion to ij as cd doQs to a b. (See Art. 541.) 560.—To Describe a Parabola by Intersection of…
Carpentry · Architecture · Building
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