Search Results
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Beckman Model H pH meter pictorial wiring diagram
- 1946-Oct-16
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 H pH meter schematic wiring diagram
- 1946-Oct-17
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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Memo from Jan W. Haagen-Smit to John Leonard
- 1957-Nov-06
- 1957-Nov-13
In this memo, Jan Haagen-Smit includes a labeled photograph of the testing set-up for the Beckman oxygen electrode, which includes Beckman Oxygen Analyzers. The memo (but not the photograph) in this digitized image is a…
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Unequalled for Precise Research and Analytical Work
- 1940s
This advertisement for the Model G pH meter highlights the different electrodes that could be used with it. The Model G was Beckman Instruments's first commercial pH meter.
Arnold Beckman invented his first pH meter in…
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Two significant reasons for choosing the Beckman Model 590 Infrared Exhaust Analyzer
- 1974
This instrument detects pollutants in the exhaust from vehicles with combustion engines.
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution in the late 1940s and early…
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Labeled image of Beckman Photoelectric Spectrophotometer
- Bulletin 79A
- Circa 1941
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
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Wherever there's water, there's pH...
- Undated
Advertisement about using various models of Beckman pH meters for monitoring water quality in industrial settings.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
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Instructions for Beckman Model G pH meter
- 1958-Oct
Owners of the Model G would have found these instructions tucked inside the lid of the wooden case surrounding the instrument.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the…
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Hand-drawn diagram for batteries used with a Beckman Model G pH Meter
- Undated
Instructions and a visual diagram for hooking up 3 #5540 batteries to power a Beckman Model G pH Meter. These three smaller batteries could replace a single, large 22.5 volt battery. This diagram was written on Bob…
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Portrait of William Henry Perkin (1838-1907)
- 1906
Portrait of W. H. (William Henry) Perkin (1838-1907). Known as the father of the synthetic chemical industry, Perkin created the first synthetic dye, mauveine, in 1856, while attempting to create an artificial version…
- Photographer Elliot & Fry
- Subject Portrait photography, Portraits, Dyes and dyeing--Chemistry, Perkin, William Henry, Sir, 1838-1907
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Portrait of Ezekiel [Ezéchiel] Weintraub
- Undated
Portrait of Ezekiel [Ezéchiel] Weintraub, a Russian-born chemist who was the first to produce 99 percent pure boron in 1909.
- Subject Portrait photography, Weintraub, Ezéchiel, Portraits
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Portrait of Lammot du Pont II (1880-1952)
- 1941-Sep
Portrait of Lammot du Pont II (1880-1952), former President of the E.I. du Pont de Nemours & Company (1926-1940) and Chairman of the Board of Directors.
- Photographer Harris & Ewing
- Subject Portrait photography, Portraits, E.I. du Pont de Nemours & Company, Industrialists, Du Pont, Lammot, 1880-1952
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Portrait of William Henry Perkin (1838-1907)
- 1906
Portrait of William Henry Perkin (1838-1907). Known as the father of the synthetic chemical industry, Perkin created the first synthetic dye, mauveine, in 1856, while attempting to create an artificial version of the…
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Portrait of Irénée du Pont (1876-1963)
- Circa 1919
Portrait of Irénée du Pont (1876-1963), chemical engineer and President of the the E.I. du Pont de Nemours & Company (1919-1926).
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Portrait of Pierre Samuel du Pont (1870-1954)
- Circa 1915
Portrait of Pierre Samuel du Pont (1870-1954), President of the the E.I. du Pont de Nemours & Company (1915-1919) and a member of the Board of Directors. A graduate of the Massachusetts Institute of Technology, he also…
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Portrait of T. Coleman du Pont (1863-1930)
- Circa 1915
Portrait of T. Coleman du Pont (1863-1930), President of E.I. du Pont de Nemours & Co. (1902-1915) and U.S. Senator from Delaware (1921-22; 1925-28).
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Portrait of Lammot du Pont II (1880-1952)
- Circa 1926
Portrait of Lammot du Pont II (1880-1952), former President of the E.I. du Pont de Nemours & Company (1926-1940) and Chairman of the Board of Directors.
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Small Comparator
- 1911
An "instrument intended for measuring spectra photographs, gratings, divided scales, or such objects which can be focused by the microscope and will allow rapid measurements of the highest possible accuracy." The design…
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The Age of Instrumentation
- Circa 1957
This artwork depicts the "Age of Instrumentation" as the culmination of centuries of scientific progress through five stages: Discovery, Curiosity, Analysis, Technology, and Automation. This painting was featured in the…
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Multi-turns? We've got 'em!
- 1959
Advertisement for multi-turn potentiometers made by the Helipot Division of Beckman Instruments.
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Potentiometer, Beckman Instruments, Inc.
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Beckman MINOS O2-CO2 Monitor diagram
- 1969
The MINOS oxygen and carbon dioxide monitors were first developed in 1968 and monitored atmospheric conditions in diving habitats, vehicles, and pressure chambers.
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Man using the SpinPro Ultracentrifugation Expert System
- 1980s
Designed to run on the IBM Personal Computer XT, the software of the Expert System (according to an article in the April 1986 issue of American Chemical Society) uses "Artificial Intelligence (AI) techniques to design…
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Portrait of Leo Hendrik Baekeland (1863-1944)
- After 1920 – 1944
Portrait of Leo Hendrik Baekeland (1863-1944), inventor of Bakelite, the first fully synthetic plastic.
- Manufacturer Underwood & Underwood
- Subject Portrait photography, Inventors, Bakelite, Baekeland, L. H. (Leo Hendrik), 1863-1944, Plastics
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Portrait of Herbert H. Dow (1866–1930)
- Circa 1900
Portrait of Herbert H. Dow (1866–1930), founder of Dow Chemical Company.
- Manufacturer Alman & Co.
- Subject Portrait photography, Dow Chemical Company, Portraits, Industrialists, Dow, Herbert Henry, 1866-1930
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Portrait of Henry Heide (1846-1931)
- Circa 1900
Portrait of Henry Heide (1846-1931), known in his time as the dean of American candy manufacturers. A native of Germany, Heide immigrated to the United States in 1866 and ran a retail grocery store in Pittsburgh before…
