Infrared spectrometer

Experimental Chemistry

1955

Infrared spectrometer, Hilger & Watts Ltd, H 800 double beam model, c. 1955

Perkin-Elmer 257 IR grating spectrometer.

Experimental Chemistry

c. 1980

Perkin-Elmer 257 IR grating spectrometer.

Perkin Elmer 197 infrared spectrometer, 1978

Experimental Chemistry

1978

Perkin Elmer 197 infrared spectrometer, 1978

Unicam SP100G infrared spectrometer

Experimental Chemistry

1950

Unicam SP100G infrared spectrometer, c. 1950, serial no. 25343

Beckman Infrared spectrometer IR9 and chart recorder

Experimental Chemistry

1964

Infrared spectrometer IR9 and chart recorder, by Beckman Instruments Incorporation, United States of America, 1964

Model 720 infrared spectrometer.

Experimental Chemistry

1980s

Model 720 infrared spectrometer.

Infrared spectrometer

Experimental Chemistry

Infrared spectrometer, Perkin-Elmer, Model 225, West German c. 1965, Range 5000-200 wave numbers.

Infrared spectrometer

Experimental Chemistry

1951

Infrared spectrometer, Perkin-Elmer model 21, presented to H.W.Thompson by Richard S. Perkin in 1951