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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    quarter of a pound of the sulphate of iron (copperas), and add sufficient water to cover the end of the dip-pipe C about one and a half or two inches. Into wash-bottle No. 3 it is unnecessary to place anything but fresh water, but some add caustic potash. Sufficient water should be used to allow the dip-pipe to sink about the same depth as it does in No. 2. In arranging the bottles, be cer- tain to have the dip-pipe attachment facing the retort, as represented. When the bottles are prepared, connect them by the pieces of rubber tubing B, and to the spigot of the gasometer. If they are ar- ranged properly, a current of air, blown into the tube intended to connect with the retort, will cause the water to bubble in the wash-bottles Nos. 2 and 3, and, if the spigot A is open, the receiver will