Perkin-Elmer atomic absorption spectrometer, model 303, with burner regulator unit and four lamps in boxes Perkin-Elmer atomic absorption spectrometer 1955-1965
A3000 Automatic Absorbtion Spectrophotometer, made by Southern Analytical Ltd., Camberley, c. 1975 A3000 Automatic Absorbtion Spectrophotometer 1972-1978
