Hello, this is not a carbide lamp. A carbide lamp has a resevoir that you put calcium carbide crystals in and another resevoir on top that you fill with water. There is a valve that you open that drips the water onto the carbide which creates carbide gas that burns with an extremely "white" flame. They are also known as a miner's lamp and were strapped to the miner's hard hat, coal mines usually. Not used anymore because if methane gas was encountered, KA-BOOM! Can show a pic of one if you like. Regards, Leipzig

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