Open Wednesday to Sunday 9.45am – 4pm / December Weekends (until 22 December) 9.45am – 6.15pm
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 digital immersive experience launching in January 2025.
The Ashworth HeppleWhite-gray lamp was designed specially for gas testing by James Ashworth in 1887. Specialist gas-testing lamps gave much more precise readings of how much methane gas was in the air.
They were manufactured by Davis of Derby from 1890s, appearing in their 1893 catalogue.
