โ Scribed by Gellert Alleman; Charles J Darlington
No coin nor oath required. For personal study only.
In view of all the elaborate and careful researches which have been conducted during the last forty years on the subject of occluded gases, some apology seems necessary for further work on this subject. From a careful search of the literature, the following observations in reference to previous work seem to , be justified
First.-The containing vessels used were porous in most cases -especially at high temperatures .
Second .-When gas flames were employed as a source of heat, the partial diffusion of such gases through the tubes added an additional error .
Third .-Practically all of the temperatures heretofore obtained were not sufficient to completely expel all of the occluded gases .
One of us (Alleman), in conjunction with C . Heyburn Jones, attempted some preliminary experiments, hoping to secure materials for containers which would not be open to the objections just indicated. This work was started in February, 1914 . Interest in occluded gases was aroused by an investigation one of us (Alleman) conducted, which had to deal with the bubbles formed around wire in wire glass . This was undertaken about four years ago . For a long time we were of the opinion that these bubbles were composed of carbon dioxide and emanated from the glass itself, the wire simply acting as the nucleus for the formation of the gas . While working at the plant and observing the glass plates as soon as the wire had been rolled into them we were impressed with the fact that the gas did not appear *Concluded from page 357, vol. i85, March, tgr8.
' We acknowledge, with appreciation, the assistance rendered by Mr .
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