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Beckman Model 813 Ladder Network with Franklin Delano Roosevelt stamp
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products. The horizontal coil 6 cent postage stamp depicts Franklin Delano Roosevelt. This Prominent Americans Issue…
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Beckman Model 814-R10K Ladder Network
- 1950 – 1969
Resistor ladders are electrical circuits made from repeating units of resistors.
- Photographer Armstrong & Hess
- Subject Microelectronics, Ladder networks, Beckman Instruments, Inc.
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Beckman Model 821 Regulator Prototype
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Voltage regulators, Prototypes, Engineering, Amplifiers (Electronics), Beckman Instruments, Inc.
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Beckman Model 821 regulators on pencil-drawn circuit diagram
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case voltage regulators.
- Photographer Armstrong & Hess
- Subject Voltage regulators, Pencils, Beckman Instruments, Inc.
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Beckman Model 826 voltage regulator with marbles
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case voltage regulators.
- Photographer Armstrong & Hess
- Subject Marbles (Game objects), Voltage regulators, Beckman Instruments, Inc.
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Beckman Model 831 microcircuit regulator with tape measure
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case microcircuit regulators.
- Photographer Armstrong & Hess
- Subject Voltage regulators, Tape measures, Beckman Instruments, Inc.
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Beckman Model 842-T Amplifier microcircuit
- 1950 – 1969
- Photographer Hess Photographic
- Subject Microelectronics, Amplifiers (Electronics), Beckman Instruments, Inc.
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Beckman Model 859 voltage regulator with change purse and coins
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case voltage regulators. The penny, minted in 1968, establishes the earliest possible date for the…
- Photographer Armstrong & Hess
- Subject Coins, Voltage regulators, Coin purses, Beckman Instruments, Inc.
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Beckman Model 899 Resistor Network microcircuits
- 1950 – 1969
Resistor networks combine several resistors into a single component.
- Photographer Hess Photographic
- Subject Electric resistors, Beckman Instruments, Inc.
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Beckman Model 899-1 Resistor Network
- 1950 – 1969
Resistor networks combine several resistors into a single component.
- Photographer Armstrong & Hess
- Subject Electric resistors, Beckman Instruments, Inc.
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Beckman Model 899-2 Resistor Network microcircuits
- 1950 – 1969
Resistor networks combine several resistors into a single component.
- Photographer Armstrong & Hess
- Subject Electric resistors, Beckman Instruments, Inc.
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Beckman Model AB-3 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model AB-3-5 Auto Bridge
- 1950 – 1969
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2 items
Beckman Model AB-3X-4 Auto Bridge
- 1950 – 1965
Industrial Instruments was a manufacturer of solution conductivity analyzers and other industrial instruments. Beckman Instruments acquired the Cedar Grove, New Jersey-based company in 1965.
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model AB-3X1 Auto Bridge
- 1950 – 1969
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Beckman Model AB-3X2 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model AB-4 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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2 items
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Beckman Model AB-6-2 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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2 items
Beckman Model AB-7-1 26 Station Sorter
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model D Industrial Oxygen Analyzer
- 1950s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Beckman Model D Oxygen Analyzer
- 1950s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
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Beckman Model D Oxygen Meter in use with an infant's incubator
- 1950s
Los Angeles County General Hospital nurse Mary Finlay is monitoring the oxygen levels of a prematurely born infant in an incubator, to provide just the right oxygen mixture. Too little oxygen has obvious repercussions,…