Search Results
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Beckman Research pH meter, interior view
- 1960s
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 H2 Electrode Cell Assembly mounted in Thermomatic Constant Temperature Block
- 1960s
The Thermomatic was used in cases where sample temperature was important, such as in the measurement of blood pH.
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Various models of Beckman pH meters
- 1960s
This group photograph appears to include Models G, N, N2, 72, and Pocket pH meters.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…
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Beckman Gas Chromatograph Model GC-2A
- 1964
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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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 Microzone Electrophoresis Cell
- 1964-Jun
Electrophoresis uses an electric field to separate particles in a medium (like a gel) based on their size, charge, or a binding affinity.
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Beckman Analytrol (Microzone) Analyzer
- 1964-Jun
Electrophoresis uses an electric field to separate particles in a medium (like a gel) based on their size, charge, or a binding affinity.
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Beckman Analytrol with Microzone Scanning Attachment
- 1964-Jun
Electrophoresis uses an electric field to separate particles in a medium (like a gel) based on their size, charge, or a binding affinity.
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Beckman Duostat Regulated Power Supply
- 1964-Jun
- Photographer Hesketh, Dean D.
- Subject Electric power, Beckman Instruments, Inc.
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Beckman Model R-110 Microzone Densitometer
- 1960s
Beckman introduced the Model R-110 Microzone Densitometer in 1967. Densitometers measure density by scanning electrophoresis media.
- Photographer Armstrong & Hess
- Subject Densitometry, Scientific apparatus and instruments, Beckman Instruments, Inc.
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Hand adjusting a Beckman Model 746 Solution Metering Pump
- 1961
The Model 746 Solution Metering Pump was a product of Beckman's Scientific and Process Instruments Division and incorporated a Helipot Division Duodial. It controlled the flow of liquid to one-millionth of a quart and…
- Photographer Otto, Glenn
- Subject Pumping machinery, Scientific apparatus and instruments, Beckman Instruments, Inc.
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Helipot Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Series 1390 Circuit Deck Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Servo Systems
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Servomechanisms, Beckman Instruments, Inc.
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Helipot Model 964 Servo Amplifier and Model 982 Power Supply
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Servomechanisms, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Circuit Deck Switch
- 1950 – 1969
- Manufacturer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.