Search Results
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Beckman Model N pH meter with micro cell assembly
- 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 Glucose Analyzer and Sample Incubator
- Circa 1969
The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very successful medical testing and analysis instruments that Beckman Instruments produced in the 1970s. Its size, speed, and price…
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Beckman Flame Photometer Automatic Sample Changer
- 1965-May
Flame photometers determine the presence and concentration of some metal ions in a substance by exposing the substance to a flame and reading any changes in the color of the flame.
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Flame photometry, Beckman Instruments, Inc.
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Blood Chemistry Monitor in use
- Circa 1970
The instrument, probably Model BCM-400, is consulted by a man taking notes in the foreground. In the background, three other men perform surgery on an animal.
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Beckman cardiac monitor in use
- Undated
The instrument includes heart rate and echocardiogram monitoring.
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Calomel reference electrode, side fill, #78026V
- 1960s
- Photographer Hesketh, Dean D.
- Subject Electrodes, Beckman Instruments, Inc.
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Low resistance glass electrode #78074V
- 1960s
- Photographer Hesketh, Dean D.
- Subject Electrodes, Glass, Beckman Instruments, Inc.
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Long reservoir reference electrode #78090V
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Electrodes, Beckman Instruments, Inc.
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Beckman carbon frit reference electrode #78019V
- 1960s
- Photographer Hesketh, Dean D.
- Subject Electrodes, Carbon, Beckman Instruments, Inc.
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Beckman reference electrode #92301
- 1950 – 1969
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 Custom Electrode
- 1960s
This electrode was designed for use with a pH meter.
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…
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Beckman Model H-5 pH Meter
- 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 GC-4 gas chromatograph
- 1965-Feb
Beckman Instruments entered the gas chromatograph business in 1956 with the acquisition of the successful Watts Manufacturing Company. Later that year, Beckman Instruments produced its first gas chromatograph, the GC-1,…
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Beckman Pocket pH meter in carrying case
- Circa 1956
The Pocket pH meter allowed pH readings to be taken in the field, in a laboratory, or at any site, without needing to send samples back to a laboratory and a more stationary instrument.
Arnold Beckman invented his…
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Beckman GC-45 gas chromatograph
- 1969-May
The GC-45 debuted in the late 1960s.
Beckman Instruments entered the gas chromatograph business in 1956 with the acquisition of the successful Watts Manufacturing Company. Later that year, Beckman Instruments produced…
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Beckman Type CE Electroencephalograph, rear interior view
- 1968
Electroencephalographs are used to monitor and record electrical activity of the brain.
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Woman operating a Beckman Type CE EEG
- 1968
Electroencephalographs are used to monitor and record electrical activity of the brain.
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Beckman KLiNa Flame Photometer
- 1970s
Beckman introduced the KLiNa Flame System, a flame photometer with attached diluter and printer, in 1971. Flame photometers determine the presence and concentration of some metal ions in a substance by exposing the…
- Photographer Maddocks, J. H.
- Subject Scientific apparatus and instruments, Flame photometry, Beckman Instruments, Inc.
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Beckman Chem-Mate pH Meter
- Circa 1975
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 pH 7 Buffer Concentrate
- 1968
Buffer solutions resist changes to pH and are used to calibrate pH meters.
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Beckman buffer solutions
- 1967
Buffer solutions resist changes to pH and are used to calibrate pH meters.