The C1 Class, as it was known under both GNR & LNER classifications, was designed by Henry Ivatt as an enlarged version of what became the LNER C2 Class. The principle of the design …

The GNR Ivatt Class 1 0-6-0 (LNER Class J1) was a class of fifteen inside-cylinder 0-6-0s designed for express goods work. They were Henry Ivatt's first original class of 0-6-0. Ivatt had …

In 1895, Ivatt returned to England and was appointed Locomotive Superintendent of the Great Northern Railway (GNR), succeeding Patrick Stirling, with references from Samuel Waite …

Ivatt introduced the 4-4-2 Atlantic type to Britain with his 'Klondike' (LNER C2) type in 1898. In December 1902, he built No. 251 by adapting the design and increasing the boiler diameter …

Interposed in the series of large Atlantic type locomotives already referred to, Mr. Ivatt allocated one of the numbers in the ” 1400’s ” to an engine which stood apart from the rest. No. 1421 …

The Ivatt C2 'Klondike' 4-4-2 Atlantics. Towards the end of the Nineteenth Century, the Great Northern Railway's (GNR) passenger locomotive stock was having difficulties keeping up with …

Ivatt was famous for his introduction to the UK of the Atlantic C1-class locomotives and also the Walschaerts Valve Gear. He died on 25th October 1923. On the death of Mr. Patrick Stirling at …

Boiler Types were introduced around 1900. The columns below show two early Ivatt types, later Gresley GNR Diagram number (where known), LNER Diagram number (where appropriate). …

The Ivatt Q1, Q2, and Q3 0-8-0 'Long Tom' Locomotives. In the 19th Century, the Great Northern Railway (GNR) had tried grouping the coal traffic between Peterborough and London into 50 …

The Great Northern Railway (GNR) Class L1 (LNER Class R1) was a 0-8-2T side tank steam locomotive designed by Henry Ivatt. It was originally designed for suburban passenger traffic …