Infrared spectrometer, Hilger & Watts Ltd, H 800 double beam model, c. 1955 Infrared spectrometer Experimental Chemistry 1955
Perkin-Elmer 257 IR grating spectrometer. Perkin-Elmer 257 IR grating spectrometer. Experimental Chemistry c. 1980
Perkin Elmer 197 infrared spectrometer, 1978 Perkin Elmer 197 infrared spectrometer, 1978 Experimental Chemistry 1978
Unicam SP100G infrared spectrometer, c. 1950, serial no. 25343 Unicam SP100G infrared spectrometer Experimental Chemistry 1950
Infrared spectrometer IR9 and chart recorder, by Beckman Instruments Incorporation, United States of America, 1964 Beckman Infrared spectrometer IR9 and chart recorder Experimental Chemistry 1964
Infrared spectrometer, Perkin-Elmer, Model 225, West German c. 1965, Range 5000-200 wave numbers. Infrared spectrometer Experimental Chemistry
Infrared spectrometer, Perkin-Elmer model 21, presented to H.W.Thompson by Richard S. Perkin in 1951 Infrared spectrometer Experimental Chemistry 1951
