The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 161
he length ofeach side = 5289, the distance between two of the mostremote corners o€ this approximate cube = 9161 ; the foursided ends are equal, the side of each end = 5289, and oneof its diagonals = 7480. None of the angles of the endsdiffer i of a minute from a right angle. The McGalium… … Fig. 1, is what is known as the Burr Bridge, It is com-posed of lower and upper chords, and posts and braces.The posts are framed into the chords, and the braces areframed into the posts. Arches are placed on each side ofthe truss, securely fastened thereto, and extending belowthe lower chords,…
Mechanics, Applied
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