Underground Lighting

Electric Cap Lamp

 In February of 1938 electric miner’s cap lamps were introduced underground in Bisbee.  This dramatic change in mine lighting first occurred in the Campbell and Junction divisions. Phelps Dodge provided the lamps to the miners , with a initial setup cost of $ 6,711.67..... 

Carbide Lamps

Carbide lamps began replacing candles as the primary source of light around 1914. At first it appears that these lamps were initially used by bosses and engineers. It did not take long until all workers were using them. The first documented reference of carbide lamps being used by the general workforce was August 21, 1915.....

Candles

Light is essential to penetrate the absolute darkness of an underground mine. Hard, white stearic acid candles were the preferred choice, as they did not melt in the desert heat and burned slower.  These candles were typically held in a steel holder with a looped handle, a thimble to hold the candle, along sharp point and a hook.....

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© 2013 by Doug Graeme