Invention and Engineering
The Commonwealth Railways D class were a class of 4-4-0 construction and shunting locomotives built in 1880 by Beyer, Peacock and Company originally for the New South Wales Government Railways as their Q.158 class, and later the Commonwealth Railways.
GWR 4073 Class 7027 Thornbury Castle.
Canadian National 6077.
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.