Collection

Search our collection

Clear all filters
Image
Category
Object type
Maker
Place of origin
Date

Beckman model G pH Meter

1945
Beckman DU quartz spectrophotometer, serial number 1651, made by National Technical Laboratories, South Pasadena, California, United States, c.1940s

Beckman DU ultraviolet photoelectric spectrophotometer, 1940s.

1935-1945
Beckman Quartz Spectrophotometer, ultraviolet DU model, manufactured by National Technical Laboratories, South Pasadena, California, 1941-50. Serial no. D-36383. Marked presumably as part of the Beckman Historical Collection.

Beckman Quartz Spectrophotometer, 1941-1950

1941-1950