Search Results
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17 items
USDA Bureau of Chemistry Photograph Collection
This collection, digitized here in its entirety, consists of photographs depicting various laboratories believed to be associated with the USDA Bureau of Chemistry. The photographs provide a general overview of each…
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Beckman Model G pH meter with external electrode assembly
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Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…
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Beckman Model G pH meter, top shot of panel
- Undated
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…
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Beckman Model G pH meter, interior shot from above
- Undated
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting “acidimeter” with its…
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Beckman Model N2 pH meter with solutions
- Undated
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman Model N pH meter with micro cell assembly
- Undated
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman cardiac monitor in use
- Undated
The instrument includes heart rate and echocardiogram monitoring.
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Beckman Model H-5 pH Meter
- Undated
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman Model KF-4 Aquameter Titrator
- Undated
The KF-4 Aquameter was included in the new product show at the Pittsburgh Conference in March 1970.
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Volumetric analysis, Beckman Instruments, Inc.
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Man with Beckman spectrophotometer
- Undated
It is possible that J. H. Maddocks is the man in the photograph, as opposed to the photographer.
- Photographer Maddocks, J. H.
- Subject Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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10 items
Edelstein Collection
This collection consists of decorative reliefs and cameos of notable men in science including Joseph Priestley (1733-1804), James Watt (1736-1819), and Jöns Jacob Berzelius (1779-1848). The highlight of this collection…
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2 items
Bausch & Lomb Spectroscope
- Undated
Spectroscope is in the style of the original Bunsen-Kirchhoff design. Triangular glass prism sits on a round, brass dias and is held in place by a metal arm attached to the dias; prism is coated in black paint with only…
- Manufacturer Bausch & Lomb Optical Company
- Subject Spectrometer, Bausch & Lomb Optical Company, Spectrum analysis, Spectroscope
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782 items
Papers of James Curtis Booth
James Curtis Booth was an early American chemist who served as Melter and Refiner at the U.S. Mint in Philadelphia from 1849 to 1887. In that role he invented new methods for refining gold and oversaw the production of…
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2 items
Hankscraft Co. Nursmatic Model N1101 Baby Bottle
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Hexagonal-shaped clear Lexan bottle with a cardboard casing/label; black plastic lid with a dark amber nipple.
Lexan is a resin thermoplastic discovered by General Electric chemist Dr. Daniel Fox in 1953. It is similar…
- Manufacturer Hankscraft Company
- Subject Plastics, Fox, Daniel W. (Daniel Wayne), 1923-1989, Lexan, Plastics industry and trade
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2 items
Bottle for Crixivan 200 mg HIV Protease Inhibitor
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White square plastic pill bottle with safety cap. Label on bottle reads "Crixivan."
- Manufacturer Merck & Co.
- Subject HIV (Viruses)--Treatment, HIV infections--Treatment, Antiviral agents, Merck & Co., Drugs, Medicine bottles, Protease inhibitors
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2 items
Bottle for Crixivan 400 mg HIV Protease Inhibitor
- Undated
White square plastic pill bottle labeled "Crixivan."
- Manufacturer Merck & Co.
- Subject HIV (Viruses)--Treatment, HIV infections--Treatment, Antiviral agents, Merck & Co., Drugs, Medicine bottles, Protease inhibitors
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2 items
Bottle for Crixivan 400 mg HIV Protease Inhibitor
- Undated
White square plastic pill bottle with safety cap. Label on bottle reads "Crixivan."
- Manufacturer Merck & Co.
- Subject HIV (Viruses)--Treatment, HIV infections--Treatment, Antiviral agents, Merck & Co., Drugs, Medicine bottles, Protease inhibitors
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2 items
Bottle for Crixivan 400 mg HIV Protease Inhibitor
- Undated
Round plastic pill bottle labeled "Crixivan" 400 mg.
- Manufacturer Merck & Co.
- Subject HIV (Viruses)--Treatment, HIV infections--Treatment, Antiviral agents, Merck & Co., Protease inhibitors, Medicine bottles, Drugs
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8 items
Beckman Facilities, Fullerton, California
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In 1954, Beckman Instruments' headquarters moved from Pasadena to Fullerton.
Most photographs are unattributed; several have image numbers or production notes written on the reverse.
- Photographer Preston E. Mitchell Commercial Photography
- Subject Factories, Buildings, Construction projects, Beckman Instruments, Inc.
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2 items
Bausch & Lomb Duboscq Type Colorimeter
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A: Duboscq type colorimeter, biological, with electric illuminator. Hollow black cast iron base attached to a sloping cast iron upright supporting the reader, prisms, and sample cups; reader detaches with two metal…
- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Colorimetry--Instruments, Colorimetry
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20 items
Portraits of Arnold O. Beckman (1900-2004)
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Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Photographer Dietrich, T. A., The Association, Hoag, Hank, Elson-Alexandre
- Subject Scientists--Portraits, Beckman, Arnold O., Portraits, Portraits, American