Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 133
ch the rails rest. These timbers are usually placed trans-versely—that is, across the direction of the rails, in the manner shown in Fig.42. This figure also represents the form of rails most commonly adopted,and exhibits the mode in which they are fastened down to the sleepers bymeans of the iron… … Fig. 43.—ttsh-plate. cramp gauge, the chairs having previously been securely attached to thesleepers by bolts or nails. The double T form of rail has several importantadvantages, such as its capability of being reversed when the upper surfaceis worn out, and the readiness with which the ends of the…
Inventions
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