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Sorry, we couldn't find anything matching "Camphene, a combination mineral spirits and alcohol was used as a lamp fuel for a short time in the middle of the 19th century. Because whale oil was so expensive camphene was used as a replacement. Camphene was extremely volatile. If the flame from one wick heated the other wick the heat could travel back into the reservoir and explode. Thus, camphene lamps have either single wicks, or double wicks pointed away from one another. The form is that of an earlier whaling oil lamp and thus could have been converted with the replacement of the tin top. The wick covers prevented evaporation.".