The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 221
drawing showing the construction of thepermanent way, and it was illustrated by the exhibition of a pair of sleeperswith two pieces of the rails placed in the chairs, which were fixed down withthe compressed trenails, complete as on the railway ; aU the tools employedin laying the permanent line ;… … Remarks.—In answer to questions as to the compressed fastenings, Mr.May explained that the peculiarity of the system consisted in the fibre of thetimber being compressed equally from the circumference to the centre. Thepieces of wood for the wedges were cut out with parallel sides and forced…
Architecture · Civil engineering · Science
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