Brand: Koehler

Style: Miner's Safety Lamp

Size: (Please see photos above for exact measurements)

This safety lamp came out of the Little Dog Mine in Gillespie, Illinois. This is an original lamp that was 

used at the mine until it closed. This is not a reproduction. The way it worked is they would set the flame 

height between the two lines on the glass (lines are no longer visible). If the flame dropped below the 

bottom line, that meant there was a lack of oxygen present. If the flame grew above the top line, that

meant there was gas present. It was only safe to work in the mine if the flame was between the top and

bottom lines. There was also a magnet (not included) that was kept by those in charge that was used to 

open the lamp to change the flint or wick and add fuel. It could only be opened by this magent. Only the 

superiors had the magnet for safety reasons. This is a really neat looking piece of mining history. 

This item is in excellent, pre-owned condition. I could find no flaws, or damage to report. Sold as pictured. 

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