Parrett's Somnoform inhaler.
Westhorpe
R
R
D000769:Anesthesia, Inhalation / Q000266:history* / Q000295:instrumentation; D001315:Australia; D005018:Ethyl Chloride / Q000008:administration & dosage; D049673:History, 20th Century; D006801:Humans; D008737:Methyl Chloride / Q000008:administration & dosage
D005018:Ethyl Chloride; D008737:Methyl Chloride