Archives Catalog Entry
Model DU, serial number #29649. Different components marked with Caltech Chemistry Division ID numbers #5783-1, 5951-1, 5951-2, 5783-2. With phototube housing and lamp housing directly attached. Connected by cord to power supply (see record); cord is frayed. See instruction manuals (in files) for model DU spectrophotometers. Gift of Caltech Chemistry Division. Manufacturer: National Technical Laboratories.
Beckman, Arnold Orville (Chemist, Inventor, Philanthropist)
Jan. 1, 1940
LENGTH: 32 x 11 x 8 inches
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