What is recorded here

This blue commemorative plaque records: Bellerophon Built in 1874 to Josiah Evans' design at his family's Haydock foundry. The earliest surviving example of piston valves in a steam locomotive. Restored to full working order by the Vintage Carriages Trust in 1985. Recorded plaque organisation: Institution of Mechanical Engineers.

Bellerophon, built in 1874, is designed by Josiah Evans and represents the earliest surviving example of piston valves in a steam locomotive, marking an important technological advancement in railway engineering. Restored to working order in 1985, it remains a significant piece of industrial heritage.

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