Research IV. Relating to the effects produced by the respiration of nitrous exide. Division I. History of the discovery--effects produced by the respiration of different gases (1800) / [Humphry Davy] -- Division III. Abstracts from additional details--observations on the effects of nitrous oxide (1800) / Dr. Beddoes -- A history of the discovery of the application of nitrous oxide gas, ether, and other vapors, to surgical operations (1847) / Horace Wells -- Anaesthesia, who made and developed this great discovery (1886) / G.Q. Colton -- The oxygen mixture, a new anaesthetic combination (1868) / E. Andrews -- Liquid nitrous oxide as an anaesthetic (1872) / Edmund Andrews