title: Clover's portable regulating ether inhaler (1877). A notable one hundredth anniversary.
abstract: The 100th anniversary of the first description of the 'portable regulating ether-inhaler' by Joseph T. Clover (1825-1882) is recalled. The importance of this piece of apparatus in the development of British anaesthesia is considered and the techniques of its use are outlined. Clover's personal portable inhaler is described and illustrated.
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation; D000776:Anesthesiology / Q000266:history*; D004986:Ether; D049672:History, 19th Century; D006113:United Kingdom
chemical_list: D004986:Ether