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 103
Fig. 27. Fig. 27; the position of the pieces, A B and A C, in Fig 27,is therefore far preferable. … Fig. 28. 80i—The Composition of Forces : consists in ascertain-ing the direction and amount of one force which shall bejust capable of balancing two or more given forces, acting indifferent directions. This is only the reverse of the resolu- STRAINS INVOLVED IN CRANE. 67 tion of forces; and the two…
Carpentry · Architecture · Building
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