Search Results
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2 items
Testing of radioactive material at U.S. Department of Agriculture facility
- 1950s – circa
Two views of a chemist inserting radioactive materials into an apparatus at an unidentified 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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Fertilizer trays at U.S. Department of Agriculture facility
- 1950s – circa
General view of fertilizer trays on a suspension apparatus at an unidentified U.S. Department of Agriculture facility.
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U.S. Department of Agriculture drillability apparatus
- 1950s – circa
General view of a drillability apparatus with fertilizer hoppers, a starwheel, and rotating plate mechanism at an unidentified U.S. Department of Agriculture facility.
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Radioactive material handling at U.S. Department of Agriculture facility
- 1950s – circa
General view of a chemist handling radioactive material at an unidentified U.S. Department of Agriculture facility. The U.S.D.A. commonly used radioactive material for a variety of research and testing, including the…
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George Wieczorek and colleague using Geiger counter at U.S. Department of Agriculture facility
- 1950s – circa
General view of chemist George Wieczorek (left) and an unidentified chemist using a Geiger counter to measure ionizing radiation in radioisotopes at an unidentified U.S. Department of Agriculture facility. A box of…
- Subject Radioisotopes, Nitrogen fertilizer industry, United States. Bureau of Chemistry and Soils, Radioactive substances, Chemists, Radioactive substances--Testing, Geiger-Müller counters, United States. Department of Agriculture, Remote handling (Radioactive substances), Employees, Wieczorek, George
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Geiger counter in use at U.S. Department of Agriculture facility
- 1950s – circa
View of chemist George Wieczorek (right) and an unidentified chemist using a Geiger counter to measure ionizing radiation in an unknown substance at a U.S. Department of Agriculture facility. The U.S.D.A. commonly used…
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Chemist handling radioactive material at U.S. Department of Agriculture facility
- 1950s – circa
General view of an unidentified chemist handling radioactive material at an unidentified 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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Stokes Tablet Press at Agricultural Engineering Laboratory
- 1950s
General view of a Stokes Tablet Press at the U.S. Department of Agriculture's Agricultural Engineering Laboratory facility. A tablet press is a mechanical device that compresses granulated material into tablets or…
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Variety of tools used at U.S. Department of Agriculture facilities
- 1950s – circa
General view of a variety of tools used to handle radioactive substances and other materials at U.S. Department of Agriculture facilities. The tools are labelled with numbers, presumably corresponding to an…
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Apparatus at U.S. Department of Agriculture facility
- 1950s
General view of an unidentified apparatus at an unidentified U.S. Department of Agriculture facility.
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Apparatus at U.S. Department of Agriculture facility
- 1950s
General view of an unidentified apparatus at a U.S. Department of Agriculture facility. A radioactive materials sign and protective glass panel are visible to the right of the apparatus. The U.S.D.A. commonly used…
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Interior view of fertilizer apparatus
- 1950s
Close-up view of the interior of an apparatus likely used for the manufacture and/or testing of fertilizer at an unidentified U.S. Department of Agriculture facility.
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Drillability apparatus components
- 1950s
Component parts, likely of a drillability apparatus, used at an unidentified U.S. Department of Agriculture facility.
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Geiger counter in use at U.S. Department of Agriculture facility
- 1950s – circa
View of chemist William A. Jackson using a Gieger counter to examine a package at an unidentified U.S. Department of Agriculture facility. The U.S.D.A. commonly used radioactive material for a variety of research and…
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Kiln in use at U.S. Department of Agriculture facility
- 1950s – circa
View of chemist George Wieczorek removing a vessel from a Pereco kiln at an unidentified U.S. Department of Agriculture facility.
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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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Drillability machine and hopper at the Agricultural Engineering Laboratory
- 1955-Jan-25
General view of the drillability machine at the U.S. Department of Agriculture's Agricultural Engineering Laboratory showing the distribution of wet granular fertilizer as deposited by the Grether hopper.
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9 items
"Success Story" documentary production
- 1955
This series of photographs documents the creation of "Success Story," which aired on KTTV and was sponsored by the Richfield Oil Corporation. One episode profiled Beckman Instruments and featured behind-the-scenes…
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8 items
Arnold Beckman visit to Berkeley Division
- Circa 1955
Arnold Beckman and various unidentified men and women, photographed during Beckman's visit to the Berkeley Division. Four of the images include the EASE (Electronic Analog and Simulation Equipment).
Beckman…
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Beckman Instruments Helipot Division, Newport Beach plant, view from the roof
- 1955
View from the roof of the Helipot Division's Newport Beach plant, with four men visible on the roof.
- Subject Factories, Beckman Instruments, Inc.
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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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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
