Search Results
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Helitrim Models 79 and 77 trimming potentiometers
- 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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Hand holding a Helitrim Model 79P 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 Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Model 79P 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 Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 56L and 56P trimming potentiometers on a circuit board
- 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 Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 78LR5-00, 78PR50, and 78PR10K trimming potentiometers
- 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 Custer, George A. (George Armstrong), 1839-1876
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Model 57 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 Hesketh, Dean D.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 78P, S, and L trimming potentiometers
- 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 Potentiometer, Beckman Instruments, Inc.
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Helitrim Model 78L and 78P potentiometers with fish hooks
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O.…
- Photographer Armstrong & Hess
- Subject Fishhooks, Potentiometer, Beckman Instruments, Inc.
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Model 77P Helitrim potentiometer with Model 801 microcircuit
- 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 Roger Marshutz Photography
- Subject Microelectronics, Potentiometer, Beckman Instruments, Inc.
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Helitrim Model 57 trimming potentiometer attached to a dial
- 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 Hesketh, Dean D.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Model 57 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 Hesketh, Dean D.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 58S and 58P trimming potentiometers
- 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 Potentiometer, Beckman Instruments, Inc.
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32 items
National Technical Laboratories, South Pasadena building fire
- 1950-May
This series of photographs depicts the aftermath of a fire that swept through the National Technical Laboratories building in South Pasadena. Most are unattributed, but Hank Hoag is identified as the photographer in one…
- Photographer Hoag, Hank
- Subject Buildings, Fires, Beckman Instruments, Inc.
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5 items
U.S. Navy Trieste atmosphere analyzer equipment
- After 1958
The photographs depict unidentified men with the Trieste and various pieces of equipment, including a Beckman Mark IV Atmosphere Analyzer.
2012-002_2212 was photographed by Interstate Photographers; 2012-002_2213 and …
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2 items
Letter from William Clark Trow to Arnold O. Beckman
- 1956-Dec-04
This is one of many letters written to Arnold Beckman in response to his U.S. News & World Report article on the topic of education. William Trow, a professor of educational psychology at the University of Michigan,…
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Anonymous letter to Arnold O. Beckman
- 1956
This is one of many letters written to Arnold Beckman in response to his comments on the topic of education. The writer expresses lukewarm agreement with Beckman’s U.S. News & World Report article, which he nonetheless…
- Addressee Beckman, Arnold O.
- Author Anonymous
- Subject Teachers, Beckman, Arnold O., Bestor, Arthur Eugene, 1908-1994, Education
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Letter from J. S. Criswell to Arnold O. Beckman
- 1956-Dec-03
This is one of many letters written to Arnold Beckman in response to his comments on the topic of education. In this handwritten letter, J. S. Criswell identifies as a teacher and threatens legal action against Beckman,…
- Addressee Beckman, Arnold O.
- Author Criswell, J. S.
- Subject Teachers, Beckman, Arnold O., Actions and defenses, Education
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3 items
Letter from George J. Laemmle to U.S. News & World Report
- 1956-Nov-30
This is one of many letters written in response to Arnold Beckman’s comments on the topic of education. George Laemmle, who identifies himself as an “unemployable” chemical engineer, laments the “over-polite” tone of…
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2 items
Letter from George Spencer Wice to Arnold O. Beckman
- 1956-Aug-27
This is one of many letters written to Arnold Beckman in response to his speech on the topic of education. George Spencer Wice writes of his disapproval of the Los Angeles Chamber of Commerce’s apparent apathy about the…
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Letter from Robert N. DuPuis to Arnold O. Beckman
- 1956-Jul-20
This is one of many letters written to Arnold Beckman in response to his speech on the topic of education. Robert DuPuis, a vice president of Philip Morris, suggests that improved salaries and industry-sponsored…
- Addressee Beckman, Arnold O.
- Author DuPuis, Robert N.
- Subject Teachers, Beckman, Arnold O., Speeches, addresses, etc., Teachers--Training of, Education, Science--Study and teaching
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23 items
Beckman Facilities, Scotland
- Undated
- 1958
- 1959
- 1960
- 1962
- 1967-Jun
Beckman's Glenrothes plant was originally built in 1958; a second phase of construction was completed in 1962. The plant closed in 1991.
Identified individuals include Queen Elizabeth II, Prince Philip, Cyprion Bridge,…
- Photographer Dietrich, T. A., Gordon Photographer, James R. Smith & Son, Terras, Markinch, Cathness Brothers, Harvey, G. W.
- Subject Factories, Buildings, Beckman, Arnold O., Executives, Automobiles, Elizabeth II, Queen of Great Britain, 1926-, Airplanes, Executives' spouses, Aerial photographs, Beckman Instruments, Inc., Philip, Prince, consort of Elizabeth II, Queen of Great Britain, 1921-
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2 items
Beckman Facilities, Newport Beach, California
- 1950s
Arnold Beckman sits on the tractor. The mayor of Newport Beach, Dora Hill, stands to the right of the shovel-holder. Donald Duncan, the head of the Helipot Division, is pictured holding the shovel and standing to the…
- Photographer Beckner Photo Service
- Subject Beckman, Arnold O., Shovels, Tractors, Construction equipment, Portraits, Group, Beckman Instruments, Inc.
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4 items
Draft of a letter from Arnold O. Beckman to Sidney D. Kirkpatrick
- 1956-Nov
In this draft, Arnold Beckman describes the chain of events that lead up to his speech on the subject of public education and states that the vast majority of feedback received has been positive. He then addresses the…
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10 items
Los Angeles Chamber of Commerce tour of Europe
- 1955
In 1955, the Los Angeles Chamber of Commerce visited Denmark, Norway, Sweden, Germany, Switzerland, France, and England to promote Southern California to European politicians and industrialists.
Identified individuals…
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7 items
Berkeley Division products
- Undated
- 1954-May-10
- 1955-Nov
- 1956-Aug-03
The devices pictured include the Model 2020 Decimatic Scaler, miniature magnetic amplifiers, Model 5001 counter, Model 5824 Numerical Controller, and URD-9 RADIAC radiation detector.