The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 271
he curve at D, and soon. Of course the length of the tangents Be, cD, dE, &c., will beuiade the same until some peculiarity in the nature of the groundrenders it necessary to alter them, and after the obstruction has beenpassed it will be \Yfell to recur to the same length of tiuigenl.… … This melliod affords advantages in terminating or changing theradius of the curve at any required place, or reversing the curve (com-monly called making an S cur\e) much greater than any jilan I havehitherto seen described. With regard to reverse or S curves, I consider it of great im-portance to…
Architecture · Civil engineering · Science
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