Search Results
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Radioactive material containers
- 1950s – circa
General view of assorted containers and components used to house radioactive materials. The jar labels include space to record the isotope, amount, and date. These containers are believed to have been used as part of…
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Radioactive material handling at U.S. Department of Agriculture facility
- 1950s – circa
Close-up view of the handling of radioactive material at an U.S. Department of Agriculture facility. The U.S.D.A. commonly used radioactive material for a variety of research and testing, including the study of…
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Radioactive material handling at U.S. Department of Agriculture facility
- 1950s – circa
George Wieczorek (right) and two unidentified chemists handling radioactive material at an U.S. Department of Agriculture facility. The U.S.D.A. commonly used radioactive material for a variety of research and testing,…
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Geiger counter in use at U.S. Department of Agriculture facility
- 1950s – circa
View of chemist George Wieczorek (right) using a Geiger counter to measure ionizing radiation in an unknown substance, likely soil or fertilizer, at an unidentified U.S. Department of Agriculture facility.
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4 items
Beckman Instruments Helipot Division, Newport Beach plant
- 1950s
A series of photographs depicting the future site of the Helipot Division's Newport Beach plant and the building's appearance in the mid-1950s.
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Gordon Research Conference on Radiation Chemistry, 1957
- 1957-Jun-29
Group photograph of attendees at the Gordon Research Conference on Radiation Chemistry held in June 1957.
- Creator Of Work Gordon Research Conferences
- Subject Gordon Research Conferences, Portraits, Group, Congresses and conventions
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2 items
Students' Potentiometer
- 1950s
Potentiometers are used to measure electromotive force (emf) by balancing it with a known emf. The concept was first developed in 1841 by J. C. Poggendorff and improved throughout the 19th century by Latimer Clark and…
- Manufacturer Leeds and Northrup Company
- Subject Potentiometer, Leeds and Northrup Company
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Gilbert Chemistry Experiment Lab No. 12006
- 1955 – 1959
Chemistry sets reached their heyday in the 1950s, but production of them began in the United States during World War I. Playing with a toy chemistry set inspired many a boy to become a chemist, and not until the late…
- Manufacturer A.C. Gilbert Company
- Subject Chemistry sets, A.C. Gilbert Company
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Postcard and French postage stamp commemorating Louis Jacques Thénard
- 1957
Depicts Louis Jacques Thénard, French chemist and the founder of the Société de Secours des Amis des Sciences.
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First Day Cover commemorating Justus Liebig University in Giessen, Germany
- 1957
Depicts Justus von Liebig, known for his work in agricultural and organic chemistry.
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ORLON teaches new fall fashions to keep their figure in the wash!
- 1950s
Color print magazine advertisement for Orlon, a Dow trademarked acrylic fiber. The advertisement details the major properties of Orlon: "Orlon is resistant to sunlight and atmospheric gases, which makes it ideal for…
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Beckman DK-2A Ratio Recording Spectrophotometer on bench beside power supply
- Circa 1957
The Beckman DK Spectrophotometer was an enhancement of the DU, which expanded the instrument’s range of into near-infrared. This was accomplished by chemist Wilbur I. Kaye, who began his work on science behind the DK at…
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Beckman IR-5A Infrared Spectrophotometer
- 1957
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Helipot Potentiometers and 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…
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman DIP Resistor Networks
- 1950 – 1969
Resistor networks combine several resistors into a single component. Dual in-line package (DIP) networks are rectangular in shape, with two parallel rows of pins for through-hole mounting to a circuit board.
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Nurse in maternity ward, using Beckman Model D oxygen analyzer to monitor an infant in an 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,…
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Industrial Instruments Type DR51D Decade Resistance
- 1950 – 1969
In 1965, Beckman Instruments acquired Industrial Instruments, Inc. The Cedar Grove, New Jersey-based company manufactured solution conductivity analyzers and other industrial instruments.
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Beckman Model AB-3X1 Auto Bridge
- 1950 – 1969
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Beckman Component Taping Device
- 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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Beckman Model PS-1-GP Schering Bridge
- 1950 – 1969
A Schering Bridge is an AC bridge circuit used for measuring the insulating properties of electrical cables and other equipment.
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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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2 items
Beckman AB-8-1 Nine Bin Sorter
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Model AB-3X2 Auto Bridge
- 1950 – 1969
- Photographer Commercial Photographic Company
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
