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 ...

Canvas Mining Cap & Lamp Bracket Before 1850, miners would use candles or small lamps that were hung from crevices or hammered into timbers near their work. From 1850 until around 1915, miner’s ...