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    Beckman IR-12 Infrared Spectrophotometer Optical DiagramBox 83- Undated
 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… 
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    Beckman IR-12 Infrared SpectrophotometerBox 83- Undated
 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… 
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    Beckman IR-18 Infrared SpectrophotometerBox 83- Undated
 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… 
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    Beckman IR-10 Spectrophotometer Optical DiagramBox 83- Undated
 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… 
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    Beckman IR-10 Infrared SpectrophotometerBox 83- Undated
 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… 
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    Beckman IR-9 SpectrophotometerBox 83- 1962
 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… 
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    Beckman IR-11 Infrared SpectrophotometerBox 83- Undated
 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… 
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    Beckman IR-9 Spectrophotometer Optical DiagramBox 83- Undated
 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… 
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    Beckman IR-4 SpectrophotometerBox 83- Undated
 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… 
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    Beckman IR-7 Spectrophotometer Optical DiagramBox 83- Undated
 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… 
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    Unidentified man standing beside a Beckman IR-7 Spectrophotometer in front of a windowBox 83- 1958
 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… 
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    Beckman IR-5A Infrared SpectrophotometerBox 83- 1957
 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… 
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    Beckman IR-4 Spectrophotometer Optical DiagramBox 83- Undated
 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… 
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    Beckman AccuLab 6 Infrared SpectrophotometerBox 83- 1973 – 1982
 Beckman's Acculab Infrared Spectrophotometer debuted in 1973. 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… 
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    Beckman Model FS-720 Fourier SpectrophotometerBox 83- Undated
 This instrument was manufactured by the London-based Research & Industrial Instrumentation Company (RIIC), a division of Beckman Instruments. The Beckman Instruments IR spectrophotometers began as a request from the… 
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    Beckman Model LS-355 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS-245 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model N2 pH MeterBox 83- Undated
 Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off… 
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    Beckman Model LS-333 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS-345 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS-330 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS-255 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS-250 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS-233 Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
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    Beckman Model LS 200B Liquid Scintillation CounterBox 83- Undated
 Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures… 
 
                     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
