Prior to the 1920s, miners wore a soft cap made of cloth or canvas with a leather brim and lamp bracket to hold their light. But in 1919, Edward D. Bullard of San Francisco, California developed the ...

I grew up in South Wales and was surrounded by the coal mining industry ... history which fuelled the Industrial Revolution. This lamp, designed to reduce underground explosions which claimed ...

BANFF, Alta. — Police are asking for help finding a 1900s-era coal miners lamp that was removed from a historic site in Banff National Park. Banff RCMP received a report on Saturday that the artifact ...