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A Lamp That Will Burn Twelve Months Without Replenishing








Take a stick of phosphorus, and put it into a large dry phial, not
corked, and it will afford a light sufficient to discern any object in
a room when held near it. The phials should be kept in a cool place,
where there is no great current of air, and it will continue its
luminous appearance for more than twelve months.





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