Manual of the discovery, manufacture, and administration of nitrous oxide, or laughing gas in its relations to dental or minor surgical operations, and particularly for the painless extraction of teeth / by F.R. Thomas.

  • Thomas, Frederick R.
Date:
1870
Catalogue details

Licence: Public Domain Mark

Credit: Manual of the discovery, manufacture, and administration of nitrous oxide, or laughing gas in its relations to dental or minor surgical operations, and particularly for the painless extraction of teeth / by F.R. Thomas. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    my judgmentj however, the use of these chemicals is superfluous, as I have found by experience that the action of the gas is precisely the same, whether it is washed through those solutions, or whether it be washed through fresh water, and allowed to stand a sufficient length of time (about 5 or 6 hours) for the water in the gasometer to absorb any impurities that may have passed over with the gas. BRIEF DESOEIPTIOIJ OP ILLUSTEATIOIfS AND PEOOESSES ADOPTED U MANUPAO- TUEE. Fig. 1 represents a gasometer in a position of readiness. As a preliminary step, the holder is first filled with water to within one and a half or two inches of the top; and, while this is being