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Genre Photographs Remove constraint Genre: Photographs Genre Charts, diagrams, etc Remove constraint Genre: Charts, diagrams, etc Subject Spectrophotometer--Design and construction Remove constraint Subject: Spectrophotometer--Design and construction

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    The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…