T. W. Worsdell

Thomas William Worsdell (1838–1916) was a British locomotive engineer with a uniquely transatlantic career, who served as Locomotive Superintendent of the Great Eastern Railway from 1881 to 1885 and of the North Eastern Railway from 1885 until his retirement in 1890, and who experimented extensively with the von Borries two-cylinder compound system before his successor and younger brother Wilson abandoned the compounds in favour of straightforward simple-expansion designs.

Born at Liverpool on 14 January 1838, Worsdell served his engineering apprenticeship on the Birkenhead Railway and rose under John Ramsbottom at Crewe Works to become Chief Draughtsman. From 1865 to 1871 he worked at the Pennsylvania Railroad's Altoona Works — an unusually early transatlantic engineering exchange that brought American manufacturing practice to his British career — before returning to Crewe and then moving to the GER at Stratford in 1881.

At the NER from 1885 Worsdell applied the von Borries two-cylinder compound system to a series of express and goods locomotives, seeking the improved thermal efficiency that compound expansion promised. In practice the NER compounds proved difficult to maintain and their fuel economy advantages were less clear-cut than expected, and Wilson Worsdell systematically rebuilt them to simple expansion on succeeding his brother in 1890. Thomas's Class C 0-6-0 — the LNER J21 — was his most successful simple-expansion design, a practical and long-lived goods engine that served the NER's freight requirements reliably for decades. He retired in 1890 and died at Arnside, Westmorland on 28 June 1916.