title: Tools of the trade. The Smith-Clarke respirator.
authors.affiliation: Clinical Medicine, The Science Museum, London SW7 2DD, UK.
authors.forename: Ghislaine
authors.initials: G
authors.lastname: Lawrence
mesh_terms: D004867:Equipment Design; D049673:History, 20th Century; D012122:Ventilators, Mechanical / Q000266:history*