Publisher's Synopsis
Excerpt from Notices of the Proceedings at the Meetings of the Members of the Royal Institution of Great Britain, 1893-1895, Vol. 14: With Abstracts of the Discourses Delivered at the Evening Meetings
The prosecution of research at temperatures approaching the zero of absolute temperature is attended with difficulties and dangers of no ordinary kind. Having no 'recorded experience to guide us in conducting such investigations, the best, instruments and methods of working have to be discovers/d. /th(e necessity of devising some new kind of vessel for storing and manipulating exceedingly volatile ?uids like liquid oxygen and liquid! Air, became' apparent when the optical properties of the bodies came udder examination. The liquids, being in active ebullition, were in a condition which rendered optical measurements impossible. All attempts at improvement on the principle of using a succession of surrounding glass vessels. The annular space between such vessels having the cool current of the vapour coming from theehbo'i'lihg liquid led through them, proved a failure. Apart altogether from the rapid ebullition interfering with experimental work, the fact that it took place involved a great additional cost in the conduct of experiments on the properties of matter under such exceptional conditions of temperature.
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