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Creator Ayer Jorgensen Macdonald Remove constraint Creator: Ayer Jorgensen Macdonald

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    • 1975

    The advertisement was created for publication in Service Station Management and Motor Age. It emphasizes the reliability of the Model 590 infrared exhaust analyzer, an instrument designed to detect pollutants in the…

    • 1976

    Beckman's Biogamma Radioimmuno Analyzer was introduced in 1973. Radioimmunoassay (RIA) is a technique for measuring the antigen concentration. Known quantities of radioactive (labeled or “hot”) antigens and antibodies…

    • 1977

    This advertisement for the series 4200 IR Spectrophotometer connects the work that Beckman Instruments is doing to the work of William Herschel, the British astronomer who discovered infrared radiation in 1800.