Invention and Engineering
GWR No. 36 was a one-off prototype 4-6-0 steam locomotive constructed at Swindon Works for the Great Western Railway in 1896, the first 4-6-0 ever built for the GWR and one of the first in Britain. It was designed by William Dean and le Fleming comments that "the design is unusual and entirely Dean of the later period, including the only large boiler ever built entirely to his ideas."
GER Classes S46, D56 and H88.
LMS Fowler Class 3F.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.