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Creator Karjalas' Photo Vision Remove constraint Creator: Karjalas' Photo Vision Subject Spectrophotometer Remove constraint Subject: Spectrophotometer

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    • 1960s

    This model followed in the tradition of the DU, the first ultraviolent/visible spectrum spectrophotometer.

    The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called…