NCB leaflet on safety lamp flame shapes, Bedlay Colliery, 1982

With methane a safety lamp flame burns brighter and has a blue colour, like on a gas hob. Leaflets like this informed miners on how to use their lamp flame to identify methane and estimate its concentration in the air.

Museum reference:
NLC-2013-65
Date:
1982
Made by:
National Coal Board
Associated with:
Bedlay Colliery, Annathill, Scotland


Dimensions:
height: 150mm
width: 190mm
depth: 1mm
Materials:
paper

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