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Science 25 June 1965:
Vol. 148. no. 3678, pp. 1721 - 1723
DOI: 10.1126/science.148.3678.1721
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Articles

Cryogenic Cooling by Noncondensible-Gas Injection

Farrel W. Lytle 1 and J. Thomas Stoner 1

1 Boeing Scientific Research Laboratories, Seattle, Washington

Temperature control of various cryogenic liquids in the range from their boiling points to near or below their freezing points has been achieved by injecting a noncondensing gas, helium. The process is more easily accomplished than the usual vapor-pumping technique and is applicable in the range from 15° to 300°K. Interesting ice formations were observed in liquid argon.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)