Solid carbon-dioxide is now used for cold storage purposes, and is more effective than water ice. As it evaporates tho carbon-dioxide gas collects round the objects ot be kept cool and, being a nonconductor of heat, prevents heat from reaching them.
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Bibliographic details
Dominion, Volume 21, Issue 288, 5 September 1928, Page 15
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41Untitled Dominion, Volume 21, Issue 288, 5 September 1928, Page 15
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