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Subject
- Corporations104
- Perkin-Elmer Corporation103
- Scientific apparatus and instruments98
- Employees68
- Laboratories64
- Atomic absorption spectroscopy28
- Chemists23
- Women employees22
- Spectrophotometer18
- Women in science18
- Gas chromatography16
- Infrared spectroscopy12
- Gas chromatography--Instruments10
- Water9
- Water--Testing9
- Atomizers8
- Fluorescence spectroscopy8
- Instrument manufacture8
- Life sciences8
- United States. Environmental Protection Agency7