Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 574
beaut; of form, and //<</./ have in solidity, by a moditieation of the section. The head and base are generally made too light, (see Big.i base for its support on the bearings. The I or bridge rail has the advantage of perpendicular sides to support the head, without projectionssubject to he… … : i But, after all the exertion of talent and skill for the last twenty years to perfect a line of road withisnal form of rail-, it still remains very deficient in smoothness and stability at the joinings, and iti will continue to be so while the rails are made in independent, separate, solid…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
