The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 95
of a projecting armon the connecting rod. The foUowinjr are the principal dimensions:— Ft. In. Thickness of the centre pier . . . . il lU „ piers nearest to the centre on each Bidi . 7 4 „ piers nearest to the abutments . .66 Lengthof the ii on swivel-bridge , . . . 77 6 Width of ditto . . . . . 20… … Fig. B.—Elevation of the centre pier, and part of the arches.)
Architecture · Civil engineering · Science
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