This lamp is an oil-wick cap lamp. The oil-wick cap lamp was first invented in Scotland in 1850 and remained in use until the 1920’s. The font contained a mix of fat and oil for fuel, and a wick was inserted into the spout. The resulting light was much brighter and more efficient than the candles it replaced. The hook enabled the lamp to be worn on a cap, or hooked onto any other suitable location.
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