Search Results
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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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2 items
Bayer Orange Flavoured Children's Chewable Aspirin Bottle
- 1910 – 2007
- 1988
Small glass Bayer orange flavoured children's chewable aspirin bottle with pink plastic cap, 36 tablet size.
- Contributor Sterling Drug
- Manufacturer Bayer Company, Inc.
- Subject Sterling Drug, Drugs, Medicine bottles, Bayer Company, Inc., Aspirin
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2 items
Bayer Flavoured Children's Size Aspirin Bottle
- 1910 – 2007
Small glass Bayer flavoured children's size aspirin bottle with pink plastic cap, 36 tablet size, containing pink tablets.
- Manufacturer Bayer Company, Inc.
- Subject Drugs, Medicine bottles, Bayer Company, Inc., Aspirin
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4 items
Can of Hopkins Rajah hair dye
- 1914 – 1967
Tin container of powdered henna pigment manufactured by S. B. Penick & Company. Henna is a dye prepared from the plant Lawsonia inermis, also known as the henna or mignonette tree. Whole henna leaves must be dried and…
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2 items
Courtauld Atomic Model Kit
- 1950 – 1955
Wooden case with internal wooden dividers; model pieces are color coded and shape coded, and made of plastic with metal links as bonds. Model pieces can be assembled to create molecular structure for bromine, carbon,…
- Manufacturer Griffin & George Ltd
- Subject Molecules--Models, Chemistry--Study and teaching
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Delores Horne analyzing weed killer in Dow Analytical Laboratory
- 1950s
General view of chemist Delores Horne analyzing the active constituent of a weed killer in the Dow Chemical Company's Analytical Laboratory located in Midland, Michigan. Per a notation accompanying the photograph, Ms.…
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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 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 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 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.
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Helipot Model 483 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 9320 Potentiometer with Tartan Backdrop
- 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., Tartans
