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 am wearing a miner's helmet, the lamp leading me through the darkness, pickax in hand as I crunch across the rubble. I am ...

With the Smith Summit, a backcountry-focused helmet, I noticed a little gap. It was especially obvious at the corners of the temples where there is some downward curvature of the Line Miner Pro.

Just like the soft mining caps that were used to hold oil-wick or carbide mining lamps, mining helmets were used to hold the new electric cap lamp. The lamp sat in a bracket at the front of the helmet ...