Search Results
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Man loading a Beckman Model L4 Ultracentrifuge
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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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Postage stamp commemorating German porcelain, German Democratic Republic
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Stamp from the series on the Leipzig Spring Trade Fair in 1950. Commemorates first porcelain on the trade fair in 1710.
- Artist Gruner, Erich
- Engraver Wolf, Karl
- Subject Postage stamps, Germany (East), Trade shows, Commemorative postage stamps, Science on postage stamps, Porcelain, German
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Soviet postage stamp commemorating the Conference on the Peaceful Uses of Atomic Energy, 1958
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Stamp printed in USSR shows bomb, globe, model of an atom, Sputniks, and a ship.
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Panamanian postage stamp commemorating Alfred Nobel and the Nobel Prize
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Stamp depicts Nobel Prize medal and a dove with an olive branch in its mouth.
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Soviet postage stamp commemorating Frédéric Joliot-Curie
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Stamp features a portrait of Frédéric Joliot-Curie.
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Ghanaian postage stamp commemorating Albert Einstein
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UNESCO stamp depicting Albert Einstein and his formula for mass-energy equivalence.
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East German postage stamp commemorating science and socialism
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Stamp from the "Builders of Socialism" series, depicting aspects of chemistry and related sciences.
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Test Tube Rack
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Rectangular wooden apparatus for holding fifteen test tubes upright. Heavy tape has been attached to all four sides.
- Subject MacDiarmid, Alan G., 1927-2007, Test tubes
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Robert Lineberger with unidentified man
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Lineberger is the man on the right. The instrument they are examining is unidentified.
- Photographer Frey Photos
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman Instruments stock being traded on the New York Stock Exchange
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Unidentified men trading stock on the floor of the New York Stock Exchange.
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Beckman Model 7160 Eput Meter
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EPUT (Events Per Unit Time) meters measure changes in voltage during a specified amount of time, and so can be used to count or measure any event that can be represented as a voltage change or pulse. This includes, but…
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Unidentified person using a Spinco Physiological Gas Analyzer
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It is unclear from this photograph whether this is a Model 150 or 160.
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Beckman Model J pH Meter
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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 instrument kicked off…
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Arnold O. Beckman and an unidentified man with Beckman Instruments products
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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,…
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Portrait 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,…
- Subject Scientists--Portraits, Beckman, Arnold O.
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Portrait of Arnold O. Beckman (1900-2004)
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Dr. Arnold O. Beckman (1900-2004) is pictured here with his pH meter, which he invented in 1934 and which became the first commercially successful electric pH meter. Thus began a long career manufacturing scientific and…
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Disc Molecular Models
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Rectangular grey cardboard box with white writing and colored disks on sides; box contains a cardboard separator that divides the inside into four compartments and an instruction booklet; the compartments contain a…
- Manufacturer W. A. Benjamin, Inc
- Subject Molecules--Models
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Harshaw Crystal Model Kit
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Blue cardboard box containing three compartments; two compartments hold a number of black and white stone marbles; third compartment holds four brass rods, numerous glass spacers, and sheets of thin paper; box also…
- Manufacturer Harshaw Scientific, Division of the Harshaw Chemical Company
- Subject Molecules--Models