The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 464
way consisting of wooden sleepers with aportion of the inner side cut away at the upper edge to receive an iron tramplale. The third claim is for increasing the adhesion of thedriving wheels ; thewheels are formed of .segments of wood a, inserted in a cast iron boss or naveb, wiih the grain of the… … nuts or by rivelting. To promote Ihe adhesion Ihe peripheries of the wheelsate scored wiih minute oblique or transverse grooves, or are imlenttd withnumerous small holes, and filled in wiih a composition of sand or similarsubstances mixed «ilb glue or other adhesive matter ; the inventor has…
Architecture · Civil engineering · Science
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