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1 Bury, Edward
[br]b. 22 October 1794 Salford, Lancashire, Englandd. 25 November 1858 Scarborough, Yorkshire, England[br]English steam locomotive designer and builder.[br]Bury was the earliest engineer to build locomotives distinctively different from those developed by Robert Stephenson yet successful in mainline passenger service. A Liverpool sawmill owner, he set up as a locomotive manufacturer while the Liverpool \& Manchester Railway was under construction and, after experiments, completed the four-wheeled locomotive Liverpool in 1831. It included features that were to be typical of his designs: a firebox in the form of a vertical cylinder with a dome-shaped top and the front flattened to receive the tubes, and inside frames built up from wrought-iron bars. In 1838 Bury was appointed to supply and maintain the locomotives for the London \& Birmingham Railway (L \& BR), then under construction by Robert Stephenson, on the grounds that the latter should not also provide its locomotives. For several years the L \& BR used Bury locomotives exclusively, and they were also used on several other early main lines. Following export to the USA, their bar frames became an enduring feature of locomotive design in that country. Bury claimed, with justification, that his locomotives were economical in maintenance and fuel: the shape of the firebox promoted rapid circulation of water. His locomotives were well built, but some of their features precluded enlargement of the design to produce more powerful locomotives and within a few years they were outclassed.[br]Principal Honours and DistinctionsFRS 1844.Bibliography1840, "On the locomotive engines of the London and Birmingham Railway", Transactions of the Institution of Civil Engineers 3 (4) (provides details of his locomotives and the thinking behind them).Further ReadingC.F.Dendy Marshall, 1953, A History of'Railway Locomotives Down to the End of the Year 1831, London: The Locomotive Publishing Co. (describes Bury's early work).P.J.G.Ransom, 1990, The Victorian Railway and How It Evolved, London: Heinemann, pp. 167–8 and 174–6.PJGR -
2 Tyer, Edward
[br]b. 6 February 1830 Kennington, London, Englandd. 25 December 1912 Tunbridge Wells, England[br]English railway signal engineer, inventor of electric train-tablet system for the operation of single-line railways.[br]Use of the electric telegraph for the safe operation of railways was first proposed by W.F. Cooke in the late 1830s, but its application to this purpose and the concurrent replacement of the time-interval system of working, by the block system, comprised a matter of gradual evolution over several decades. In 1851 Tyer established a business making electrical apparatus for railways, and the block instruments invented by him in 1855 were an important step forward. A simple code of electric-bell rings (for up trains; for down trains, there was a distinctive gong) was used by one signalman to indicate to another in advance that a train was entering the section between them, and the latter signalman then operated a galvanometer telegraph instrument in the box of the former to indicate "train on line", holding it so until the train arrived.Even more important was the electric train-tablet apparatus. During the 1870s, single-line railways were operated either by telegraphed train orders, misuse of which led to two disastrous head-on collisions, or by "train staff and ticket", which lacked flexibility since no train could enter one end of a section while the train staff was at the other. At the request of Currer, an official of the Caledonian Railway, Tyer designed and produced his apparatus, in which a supply of discs, or "tablets", was contained in two instruments, one located at each end of a section, and linked electrically: only one tablet at a time could be extracted from the instruments, serving as an authority for a train to enter the section from one end or the other.[br]Bibliography1855, British patent no. 2,895 (block instruments). 1861, British patent no. 3,015 (block instruments). 1878, British patent for electric train-tablet apparatus.Further ReadingC.Hamilton Ellis, 1959, British Railway History, Vol. II: 1877–1947, London: George Allen \& Unwin, p. 199 (describes the development of the tablet apparatus).P.J.G.Ransom, 1990, The Victorian Railway and How It Evolved, London: Heinemann, pp. 157–8 and 164 (describes the block instruments and tablet apparatus).PJGR -
3 Worsdell, Nathaniel
[br]b. 10 October 1809 London, Englandd. 24 July 1886 Birkenhead, England[br]English coachbuilder and inventor.[br]Worsdell \& Son, Coachbuilders, was set up in Liverpool by Thomas Clarke Worsdell and his son Nathaniel in 1827. They were introduced to George Stephenson and built the tender for Rocket. More importantly, they designed and built for the Liverpool \& Manchester Railway coaches of a type comprising three coach bodies, of contemporary road-coach pattern, mounted together on a rail-wagon underframe. This became the prototype for the conventional, compartment railway coach. Nathaniel Worsdell subsequently became Carriage Superintendent of the Grand Junction Railway and patented the first mail-bag-exchange apparatus early in 1838. The terms he required for its use by the Post Office were too steep, however, and the first bagexchange apparatus of the type subsequently used extensively on British railways was designed later the same year by John Ramsey, a senior Post Office clerk.[br]Further ReadingJ.Marshall, 1978, A Biographical Dictionary of Railway Engineers, Newton Abbot: David \& Charles (the article on Worsdell is derived from family records).C.Hamilton Ellis, 1958, Twenty Locomotive Men, Shepperton: Ian Allan.P.J.G.Ransom, 1990, The Victorian Railway and How It Evolved, London: Heinemann.PJGR
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