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The Boy Mechanic, Book 2

Part 2 — How to Preserve Putty

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Having some putty left over after a job of glazing and wishing to keep it without its becoming dried up, I tried wrapping it in paraffin paper such as used to wrap butter. I found this method to be a decided success, the oil being prevented from drying out.—Contributed by Levi R. Markwood, Fairview, Pa.

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