Search Results
-
Helipot Model 841 Ladder Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Microelectronics, Beckman Instruments, Inc.
-
Hand holding a Beckman Series 822 voltage regulator
- 1950 – 1969
Voltage regulators maintain a constant voltage level in electrical devices.
- Photographer Armstrong & Hess
- Subject Voltage regulators, Beckman Instruments, Inc.
-
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.
-
Helipot Model 822 Voltage Regulator
- 1950 – 1969
Voltage regulators maintain a constant voltage level in electrical devices.
- Photographer Armstrong & Hess
- Subject Microelectronics, Voltage regulators, Beckman Instruments, Inc.
-
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.
-
Hand holding Helipot Model 826 Voltage Regulator
- 1950 – 1969
Voltage regulators maintain a constant voltage level in electrical devices.
- Photographer Armstrong & Hess
- Subject Microelectronics, Voltage regulators, Beckman Instruments, Inc.
-
4 items
Color is "busting out" all over!
- 1955-Jul
Article from Better Homes and Gardens, July 1955.
- Author Byerly, Florence
- Subject Plastics, Textile fibers, Synthetic, Colors
-
Memo from Bill Rittmann to E. P. Tagge
- First IR-1 and IR-2 Instruments
- 1955-Jun-03
This memo discusses the history of the Beckman IR-1 and IR-2 spectrophotometers, including the serial numbers, prices, and customers for the first models produced.
The Beckman Instruments IR spectrophotometers began…
- Addressee Tagge, E. P.
- Author Rittmann, Bill
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
-
U.S. Department of Agriculture personnel
- 1950s
General view of U.S. Department of Agriculture personnel at an unidentified facility. Per a notation on the verso of the photograph, the individuals are identified (in no particular order) as follows: K.S. Love;…
-
Beckman Model W Industrial pH Meter
- 1950s
The industrial model pH meters had features designed specifically for industrial (as opposed to laboratory) environments, like the Model W's rubber gaskets to prevent corrosive gases or dust from entering the…
-
Helipot Series 6180, Model 6187 Precision 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…
- Subject Potentiometer, Beckman Instruments, Inc.
-
Beckman Model 762 Dissolved O2 Analyzer
- 1954 – 1969
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,…
-
-
Beckman Thick-film SIP Line LXX
- 1950 – 1969
-
8-pin DIP Package
- 1950 – 1969
Dual in-line packages (DIP) are rectangular in shape, with two parallel rows of pins for through-hole mounting to a circuit board.
-
-
-
70 items
The Beckman Model DU Spectrophotometer and Accessories Instruction Manual
- 1954
This manual appears to have been a well-used desk copy. The stained cover provides evidence of secondary usage as a coaster.
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company…
-
Joseph X. Labovsky and staff at nylon plant in Martinsville, Virginia
- 1954-Dec-10
Group photograph of staff responsible for the development and manufacture of the "Type 9" textile at the DuPont plant in Martinsville, Virginia. Team supervisor Joseph X. Labovsky is seated at the center of the…
-
Caroline Cooper and staff at nylon plant in Martinsville, Virginia
- 1950s
Group photograph of staff from DuPont's nylon plant in Martinsville, Virginia. Caroline Cooper, the first forewoman promoted to shift supervisor, is visible in the front row, fourth from right. The rest of the…
-
Group photograph of staff at nylon plant in Martinsville, Virginia
- 1950s
Group photograph of staff from DuPont's nylon plant in Martinsville, Virginia. Supervisor C.P. White is visible in the front row, far left side. The rest of the individuals depicted in the photograph are unidentified.
-
2 items
Porter Chemcraft Chemistry Lab featuring Atomic Energy
- 1950 – 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 Porter Chemical Company
- Subject Chemistry sets, Porter Chemical Company
-
2 items
Molecular Quantum Mechanics Conference in Austin, Texas, 1955
- Circa 1955-Dec-07
Group photograph of attendees at the Molecular Quantum Mechanics Conference in Austin, Texas in 1955. Along with the photograph is a list of participants, which included John Pople, Rudolph Pariser, Michael Barnett, and…
-
2 items
Letter from Harrison Shull to Linus Pauling, 1955
- 1955-Aug-11
Concerns clarifications from Pauling on certain quantum properties of hydrogen.
- Addressee Pauling, Linus, 1901-1994
- Author Shull, Harrison
- Subject Hydrogen, Shull, Harrison, Quantum theory, Pauling, Linus, 1901-1994, Stark effect, Löwdin, Per-Olov, 1916-2000
-
Apparatus at U.S. Department of Agriculture facility
- 1950s
General view of an unidentified apparatus, possibly a hopper or type of granulation equipment, at an unidentified U.S. Department of Agriculture facility, likely the U.S.D.A.'s Agricultural Engineering Laboratory. Three…
