Commemorative plaque 8968
Overview
Commemorative plaque 8968 is recorded as Blue plaque in England Bradford. 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.
Why it was made
The saved account records: This blue commemorative plaque records: Bellerophon Built in 1874 to Josiah Evans' design at his family's Haydock foundry.
People and events
The saved account records: Restored to full working order by the Vintage Carriages Trust in 1985.
How it worked
The saved account records: The earliest surviving example of piston valves in a steam locomotive.
What remains
The official record fixes the place and calls it Blue plaque. It does not provide a full list of finds or a current condition report, so visible and buried remains are not guessed.
Why it mattered
Commemorative plaque 8968 matters because the source singles out a feature as rare, unique, exceptional or the sole survival at this site. The source records: The earliest surviving example of piston valves in a steam locomotive. Its importance comes from that precise survival or distinction; no broader rarity is claimed.
History checked 15 August 2026 against the named sources below.
A monument record does not grant access to the land or permission to touch, climb or disturb it. Check current paths, ownership and protection before visiting.