Please note that we are set to temporarily pause our iconic Underground Tours, from Sunday 29 December until April 2025, to install a brand new winding engine. The Museum will remain open with a brand-new Time Tunnel experience launching in January 2025.
The Clowes lamp is another example of a lamp developed solely for gas testing. The design was an enhanced version of the well-regarded Ashworth Hepplewhite Gray lamp, and devised by James Ashworth and Professor Frank Clowes in 1892.
