I. On a new form of the 'sprengel' air-pump and vacuum-tap

Author:

Abstract

Having had the honour of being with Mr. Crookes during the whole of his recent researches on Radiation, and knowing the importance of obtaining the highest degree of rarefaction possible, I have latterly devoted much attention to the improvement of the “Sprengel” mercury-pump. Having now succeeded in constructing an instrument yielding very satisfactory results both in degree of exhaustion and rapidity of working, I purpose giving a detailed description of it, together with a new form of vacuum-tap which has been found exceedingly useful while working with vacua. The instrument, owing to the number of accessories, at first sight appears complicated. I will therefore first explain the principle of the pump, tracing the mercury and exhaustion through the different tubes, and then describe each adjunct separately.

Publisher

The Royal Society

Subject

General Earth and Planetary Sciences,General Environmental Science

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Crookes’ Radiometer und Geißlers Lichtmühle — Kooperation oder Konkurrenz?;NTM International Journal of History and Ethics of Natural Sciences, Technology and Medicine;2003-09

2. William Crookes and the quest for absolute vacuum in the 1870s;Annals of Science;1983-01

3. Erzeugung und Messung von Drucken;Elementare Einheiten und Ihre Messung;1926

4. Ueber eine neue Form der Töpler'schen Quecksilberluftpumpe und einige mit ihr angestellte Versuche;Annalen der Physik;1881

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