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ARTIFICIAL ATMOSPHERES.
518. As to the varieties of atmosphere that might be appliedin this manner, they are exceedingly numerous, particularly ifmade to include a rapid movement upon the person. A rapidmovement of air directedupon the body, and particularly uponthe head, refreshes many as much as a breeze upon the top of amountain, and is grateful and applicable on many occasions,where we cannot resort to water. The following indicate someof the leading atmospheres that might be resorted to, including,in general, materials that have been already used; but not inthat precise determinate form in which they could be applied inair-baths expressly constructed for the purpose.
AIR BATHS.
1. Dry Air.
2. Dry and Hot Air.
3. Dry and Cold Air.
4. Rapid and Hot Air.
5. Rapid and Cold Air.
6. Moist Air.
7. Moist and Warm.
8. Moist and Cold.
9. Rapid Moist and Warm.
10. Rapid Moist and Cold.
11. Steamed Air, or Steam Baths.
12. Highly Oxygenating, by an infusion of oxygen.
13. Less Oxygenating, by diluting air with nitrogen.
14. Deoxidating, by adding minute portions of deoxidatingagents.
15. Nitrous oxide (Davy’s intoxicating gas).
16. Nitrous Acid.
18. Chlorinated.
19. Sulphureous.
20. Carbonic.
21. Ammoniacal.
22. Prussic.