Search Results
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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.
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Helipot Circuit Deck Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- Circa 1968
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Helipot Cermet Switch
- 1950 – 1969
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Beckman Series 1390 Switch
- Circa 1968
- Photographer Beckman Instruments Photographic Services Section
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- Circa 1968
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Circuit deck of a Beckman cermet switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Beckman Model 376 Switch
- 1950 – 1969
- Photographer Herb Radin and Associates
- Subject Electric switchgear, Beckman Instruments, Inc.
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Beckman Model 375 Switch
- 1950 – 1969
- Manufacturer Herb Radin and Associates
- Subject Electric switchgear, Beckman Instruments, Inc.
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Dial panel of Beckman Model DPM-100 Liquid Scintillation System
- Circa 1966
The pictured dials are part of a Beckman DPM-100 Liquid Scintillation System. This photograph was incorporated into a composite image featuring a Helipot potentiometer.
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Helipot dials
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Passive components, Beckman Instruments, Inc.
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Beckman Model 210 Dial with hand
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Passive components, Beckman Instruments, Inc.
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210 Dial
- 1950 – 1969
- Photographer Herb Radin and Associates
- Subject Passive components, Beckman Instruments, Inc.
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RBD, 2600 and RB Duodials
- 1965-Jul
Based on the orientation of the inscription, the RBD is the dark dial, the 2600 the small dial, and the RB the large, light dial.
- Photographer Dietrich, T. A.
- Subject Passive components, Beckman Instruments, Inc.
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Helitrim Series 63 trimming potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Herb Radin and Associates
- Subject Potentiometer, Beckman Instruments, Inc.
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Plastic Bayer Aspirin Bottle, 50 Tablet Size
- 1910 – 2007
- 2008
Plastic Bayer aspirin bottle, 50 tablet size, contains tablets.
- Contributor Bayer Company, Inc.
- Manufacturer Bayer HealthCare LLC
- Subject Bayer HealthCare LLC, Drugs, Medicine bottles, Aspirin, Bayer AG
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2 items
Bayer Aspirin Tin, 12 Tablet Size
- 1910 – 2007
Small, shallow, rectangular tin box containing medicine pills. Label on front of tin has yellow background with "12 Bayer-Tablets of Aspirin (5 grs. each)" in white text on brown background. Tin pillbox contains…
- Manufacturer Bayer Company, Inc.
- Subject Drugs, Medicine bottles, Bayer Company, Inc., Aspirin