Please note that we have temporarily paused our iconic Underground Tours until April 2025, to install a brand new winding engine. The Museum remains open with a brand-new Time Tunnel experience now bookable.
The Chesneau Lamp was invented by the President of the French Fire-Damp Commission by Mons. G. Chesneau in 1892. It was an improved version of the Pieler lamp. Like the Pieler, it used alcohol and was used only for gas testing.
