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- Bulletin 423-A
The binder includes several proforma invoices, photographs, and Bulletin 423-A: Operating and Maintenance Instructions, IR4 Infrared Spectrophotometer.
The Beckman Instruments IR spectrophotometers began as a request…
The photographs depict various parts of the Beckman Coulter Heritage Exhibit, which opened in April 1999 and emphasized the role of founder Arnold Beckman and the company's history and position in the industry.
- circa 1952
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…
- circa 1966
Also known as the DK-2 Spectrophotometer, this model covered ultraviolet, visible, and near-infrared spectral ranges. These men are likely part of the team that designed the instrument.