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Start Over You searched for: Date 1952 Remove constraint Date: <span class="single" data-blrl-single="1952">1952</span>-
2 items
Scientific Committee report to the Los Angeles Chamber of Commerce Board of Directors
- 1952-Jan-03
The report, from a committee chaired by Arnold O. Beckman, recommended that attempts to manipulate the weather be controlled and monitored by a federal agency.
- Creator Of Work Los Angeles Chamber of Commerce
- Subject Weather control--Environmental aspects, Weather control
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Memo from George Hare to Arnold O. Beckman
- De Forest Patent 2,594,740
- 1952-Nov-24
The memo outlines the reasons Beckman should not undertake development of Lee de Forest's light amplifier.
- Addressee Beckman, Arnold O.
- Author Hare, George H.
- Subject Scientific apparatus and instruments, Light amplifiers
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2 items
Letter from Lee de Forest to Arnold O. Beckman
- 1952-Nov-19
This letter suggests Beckman might be interested in commercial development of de Forest's new invention, a "sandwich, non-vacuous, light amplifier."
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Scientific apparatus and instruments, Light amplifiers
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6 items
Patent for Electronic Light Amplifier
- 1952-Apr-29
U.S. Patent 2,594,740, filed on behalf of Lee de Forest and William A. Rhodes, describes a device for amplifying the intensity of radiation.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum…
- Creator Of Work De Forest, Lee, 1873-1961, Rhodes, William A.
- Subject Scientific apparatus and instruments, Light amplifiers
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6 items
Draft of Instructions for Modified OM-1 Beckman Portable Oxygen Meter
- 1950s
This draft document includes extensive annotations; the stylistic and technical changes are reflected in a later version.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’…
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8 items
Operating Instructions and Technical Information, Model D2 Oxygen Analyzer
- Bulletin 202-C
- 1950s
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,…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Important Facts About pH for Water & Sewage Operators
- 1950s
This advertisement highlights uses for Models R, H, and M pH meters in the water and wastewater treatment industry.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
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Now--New Beckman pH Electrodes
- 1950s
The advertisement touts the features of Beckman glass electrodes and the company's position in the instrumentation field.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the…
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4 items
D2 Oxygen Analyzer for Safe Oxygen Therapy
- Product Data Sheet O2—8120
- 1950s
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,…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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18 items
Beckman Infrared Spectrophotometer Model IR-2
- 1946 – 1955
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…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
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2 items
Beckman Model E Analytical Ultracentrifuge
- 1950s
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…
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2 items
Beckman Model 144 UV Photometer
- 1950 – 1979
Photometers measure the intensity of light or optical properties (like illuminance and fluorescence) of surfaces and solutions.
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7 items
Memo from T. H. Lotze to L. R. Pugh
- Precision pH control by precision buffer control
- 1952-Feb-25
The memo describes problems Eastman Kodak encountered with buffer solutions and the suggestion that the Model H-2 pH meter might be adapted for Kodak's applications. Lotze appears to be the creator of images as well as…
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Diagram of special demountable reference electrodes
- 1952-Jul-18
The illustration depicts glass electrodes that could be used with the Beckman Model G pH meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who…
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Memo from George D. Butler to R. Pat Connor
- Difficulties with Blue Tip Electrodes at Eastman Kodak
- 1952-Jul-22
The memo discusses issues affecting the electrodes used with a Model G pH meter, possible actions, and the risk of losing Kodak's business to a competitor such as Leeds & Northrup.
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23 items
Beckman Spinco Division Model E Centrifuge
- Undated
- 1950s
- 1963-Oct
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…
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5 items
Beckman Model D2 Oxygen Analyser
- 1950s
Note the spelling, "Analyser" as opposed to "Analyzer," which may be seen on other D2 units.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing…
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Duodial installation on Model A 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 Dietrich, T. A.
- Subject Passive components, Potentiometer, Beckman Instruments, Inc.
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Helipot Model 201 Digidial
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Passive components, Beckman Instruments, Inc.
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Helipot Delamo Victor Motor
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Electric motors, Beckman Instruments, Inc.
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Helipot Model 205 Digidial Turnscounting Dial
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Passive components, Beckman Instruments, Inc.
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Helipot Series 433 Rectilinear Cermet 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 Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Series 431 Rectilinear Cermet 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 Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 473 Rectilinear Cermet 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 Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 421 Rectilinear Cermet 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 Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.