Description of the Works on the Netherton Tunnel Branch of the Birminghamcanal.” by JAMESRALPH WALKER, M
NETTIERTON TUNNEL. 263 February 7, 1860. GEORGE PARKER BIDDER, President, in the Chair. The following Candidates were balloted for, and duly elected : THOMASMASTERMAN HARDY JOHNSTON, EDWARD PUSSEE, JAMES LAURIERICKARDS, RICHARD JAMES WARD, FRANCIS WILLIAM ISHERWOOD WEST, AND EDWAKDLEADER JTILLIAMS, junior, as Members ; EDWARDMIDDLETON BAI~RY, EDWIN BARTON, FREDEMCKROBERT BROWNING, ANDREW CUTHELL, THOMAS BARNABASDAFT, ROCHPORT ASTLE SPERLING, and JAMESWIL- SON, as Associates. No. 1,017.--“ Description of the Works on the Netherton Tunnel Branch of the BirminghamCanal.” By JAMESRALPH WALKER, M. Inst. C.E. THEsystem of inland navigation was introduced into South Staf- fordshire at anearly period. Withoutthe facilities which it afforded for the conveyance of minerals and heavy goods, the mining and manufacturing industry of the district could not have been developed to its present extent. Thatits advantages have been appreciated may be inferred from the fact, thatthe Bir- mingham Canal Company now possesses 157 miles of canal, the ramifications of which reach nearly every colliery and ironwork in the district. Notwithstanding the construction of several railways, on which a large quantity of mineral produce is carried, the traffic on the canal continues to increase. In 1832, the total quantity of coal conveyed was 1,492,000 tons ; and in 1854, it had increased to 3,100,000 tons. The canal is onseveral levels, namedafter the chief towns situatedon them. The Wolverhampton Level is 524 miles in length, and 484 feet 3 inches above low water at Liverpool. The Birmingham Level is 34; miles in length, and l9 feet 104 inches below the Wolverhampton Level. The Walsall Level is 20 miles in length, and 45 feet below the Birmingham Level.
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