Notices of the Proceedings at the Meetings of the Members of the Royal Institution of Great Britain, With Abstracts of the Discourses Delivered at the ... 1899-1901, Vol. 16 (Classic Reprint) - Hardcover

Excerpt from Notices of the Proceedings at the Meetings of the Members of the Royal Institution of Great Britain, With Abstracts of the Discourses Delivered at the Evening Meetings, 1899-1901, Vol. 16

One thing can, however, be proved by the use of the gaseous mixture of hydrogen and nitrogen, namely that by subjecting it to a high compression at a temperature of -200° and expanding the resulting liquid into air, a much lower temperature than anything that has been recorded up to the present time can be reached. This is proved by the fact that such a mixed gas gives, under the condi tions, a paste or jelly of solid nitrogen, evidently giving Off hydrogen, because the gas coming off burns fiercely. Even when hydrogen containing only some 2 to 5 per cent. Of air is similarly treated, the result is a white solid matter (solid air) along with a clear liquid of low density, which is so exceedingly volatile that no known device for collecting it has been successful. This was in all probability the first liquid hydrogen obtained, and the method is applicable to other di cultly liquefactible gases.

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