ACCOUNT OF THE VICTORIA BRIDGE, ERECTED ACROSS THE RIVER WEAR, ON THE LINE OF THE DURHAM JUNCTION RAILWAY
Minutes of the Proceedings of the Institution of Civil Engineers
it shrunk from the walls, thereby causing leaks. Lord Stanhope's composition did not possess these faults, and he did not consider that it was superseded by asphalte. Street Compter with asphalte, and had found it answer perfectly. It land. was laid on in a thickness of $-inch, upon roofing-boards $-inch thick, with canvas nailed on them; with an entire fall of only 9 inches, there was not any appearance of leakage. four years ago, and up to the present time there was no symptom son* of wearing
... tom son* of wearing down, although the stones, which were let into the floor, for supporting the desks, &C., were considerably abraded. He believed that the only failures of the asphalte had occurred from the use of inferior ingredients. Gas tar had been used instead of vegetable tar, and in those cases the result had not been successful. Mr. Moreland had covered the roof of the tread-mill at the Giltspur Mr. More-Mr. Davison had caused a school-room to be floored with asphalte, Mr. Davi-No. 559. Ir Account of the Victoria Bridge, erected across the River Wear, on the line of the Durham Junction Railway." By David Bremner, Assoc. Inst. C. E.