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Subject Spectrophotometry Remove constraint Subject: Spectrophotometry

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    • 1970s

    General view of a Perkin-Elmer Grating Infrared Spectrophotometer in use at a Calgon Water Management laboratory facility. Per notations accompanying the photograph, the spectrophotometer is being used to characterize…

    • 1960s

    General view of an unidentified technician operating a Perkin-Elmer Corporation Model 421 Grating Spectrophotometer.

    • 1949-Jan

    Two views of a General Electric Recording Spectrophotometer in use in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The employee visible in the first photograph is identified as…

    • 1964

    Advertisement for "rugged, dependable" line of Beckman IR spectrophotometers.

    The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for…

    • 1967

    Advertisement for the Microspec Infrared Spectrophotometer, made by Beckman Instruments.

    The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942,…

    • 1950s

    In 1950, Beckman Instruments' had so many DU Spectrophotometers still in use that they offered to refurbish old models (for a fee, of course). This service could include replacing a power supply, repainting, and…

    • 1981

    This advertisement depicts Beckman Instruments as an active participant in building humanity's future through high-tech scientific instruments. Spectrophotometers, pH meters, nuclear counters, HPLC (high performance…

    • 1966

    This advertisement for both the Beckman GC-5 Gas Chromatograph the IR-102 Infrared Spectrophotometer markets a complete system for chromatographic analysis. Specifically, the ad touts the compact size (although large by…

    • 1984

    This advertisement for the new DU-50 Series Spectrophotometers uses Beckman Instruments' history as an innovator and dependable source of spectrophotometers to market their new product. This new line offers programmable…