General view of Ernest Bartha, director of the Elyria City Health Department Laboratory, injecting a drug evidence sample into a Perkin-Elmer gas chromatograph. Per notations accompanying the photograph, the instrument…
This press release announcing the discontinuation of the DU spectrophotometer served as a retrospective of the instrument's development and significance.
The first Beckman Instruments DU Spectrophotometer was developed…
- Author Reilly, Mickey
- Subject Deluxe General Incorporated, Barbiturates--Analysis, Ultraviolet spectroscopy, Scientific apparatus and instruments, Vitamins--Analysis, Spectrophotometer, Vitamin A, United States. National Bureau of Standards, Toxicology, Beckman Instruments, inc., Forensic sciences, Beckman, Arnold O.