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An apparatus for specific heat measurements down to 0·015°K

✍ Scribed by J.R.G. Keyston; A. Lacaze; D. Thoulouze


Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
565 KB
Volume
8
Category
Article
ISSN
0011-2275

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The specific heat of liquid helium from
✍ W.H. Keesom; W.K. Westmijze 📂 Article 📅 1941 🏛 Elsevier Science ⚖ 28 KB

## LETTER TO THE EDITOR The specific heat of liquid helium from 1.5°K down to 0.4°K. We measured the specific heat of liquid helium under its saturated vapour pressure from 1.5 clown to 0.4°K. The temperatures below I. I°K were obtained by adiabatic demagnetization of iron ammonium alum. In this

An apparatus for obtaining temperatures
✍ A.D. Shvets 📂 Article 📅 1967 🏛 Elsevier Science 🌐 English ⚖ 218 KB

The apparatus works in the following way. On opening valves 4, 11, and 12, liquid nitrogen flows into nitrogen dewar 10 and its level is maintained above the top of the helium dewar, speeding up the cooling of the apparatus