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 ... 1896-1898, Vol. 15 (Classic Reprint)
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, 1896-1898, Vol. 15 Five glass tubes in all were carried through the large rubber cork by which the neck of the working vessel was closed. Two of these convey the electrodes: one is the siphon for the supply of alkali, ...
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hile the fourth and fifth are for the withdrawal and introduction of the gas, the former being bent up internally, so as to allow almost the whole of the gaseous contents to be removed. The fifth tube, by which the gas is returned, communicates with the fall-tube of the T5pler pump, provision being made for the overﬂow of mercury. In this way the gas, after weighing, could be returned to the working vessel at the same time that the globe was exhausted. It would be tedious to describe in detail the minor arrangements. Advantage was frequently taken of the fact that 033n could always be added with impunity, its presence in the working vessel being a necessity in any case.When the nitrogen had been so far removed that it was thought desirable to execute a weighing, the gas on its way to the globe had to be freed from oxygen and moisture. The purifying tubes contained copper and copper oxide maintained at a red heat, caustic soda, and phosphoric anhydride. In all other respects the arrangements were as described in the memoir on the densities' of the principal gases,1' the weighing globe being filled at and at the pressure of the manometer gauge.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.