Breathalyzer, model 1000, fully automated, made by Smith and Wesson, Pittsburg, USA, 1975-1980 Breathalyzer, model 1000 1975-1980
Breathalyser, metal casing, with instructions, by Appareils Electroniques, 12 Rue de Hesse, Geneva, Switzerland, 1960-1965 Breathalyser, metal casing 1960-1965