Two boxes containing spares, accessories and chart paper, from an infrared spectrometer, by Beckman Instruments Incorporation, United States of America, 1964 Two boxes containing spares, accessories and chart paper from an infrared spectrometer 1964
Collection of paper for chart recorders consisting of rolls and flat sheets and including paper for Beckman, Oxford Instruments and Perkin-Elmer Instruments Collection of paper for chart recorders consisting of rolls and flat sheets
