Science Fair Project Encyclopedia
Henry A. Ivatt
Aged 17, Ivatt was apprenticed to John Ramsbottom at the Crewe Works of the London and North Western Railway (LNWR). He worked as a fireman for six months and held various positions there. He was made head of the Holyhead Locomotive Depot in 1874, before being promoted to the head of the Chester District.
In 1877 Ivatt moved to Ireland, and the Great Southern and Western Railway at Inchicore. In 1882 he was appointed to the post of locomotive engineer there, where he patented a design for a sprung flap for vertically-opening carriage windows that became ubiquitous.
In 1895 Ivatt returned to England and was appointed Locomotive Superintendent of the Great Northern Railway (GNR), with references from Samuel W. Johnson, John Aspinall, Francis William Webb, and William Dean. The man he succeeded was Patrick Stirling .
At the GNR, he became associated with 4-4-2 (Atlantic) type, which he introduced to Britain. Ivatt was also the first to introduce Walschaert valve gear to the Britain. Ivatt retired on 2 December 1911. he was succeeded as CME of the GNR by Nigel Gresley.
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