The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 181
ind a curveof about I I chains radius on the same railway round which Cihniiohcertainly with considerable diffi ulty) heavy waggons are daily pulledby horses. I know nothing of the modes usually adopted on laying out railway curves, therefore, for what I know, what follows may be unworthy of notice… … 1.— To mark out a curve of a certain given radius. Let AB be the straight line of a railway, B the point where the curveis intended to commence. BC, 1) C, &c radii of the curve to bedescribed, Dd the deviation from the straight line at the end of anyconvenient length Bd, then C d^ or (CD-fDrf)=…
Architecture · Civil engineering · Science
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