Search Results
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Electrode Case Beckman pH Meter diagram
- Dwg. No. 293-000239
- 1935-Oct-11
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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3 items
Quartz Spectrograph
- 1900 – 1925
A spectrograph is an instrument used to obtain and record a light spectrum—it splits the light from an object into its component wavelengths so that it can be analysed. The spectral lines of a chemical element is…
- Subject Spectrograph, Optics
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Beckman Helipot Potentiometer Model SA1400A
- Undated
Black finished cylindrical casing with three copper electrodes in a line next to product inscription; nickel knob is raised above the cylinder; outer dial goes from 0-15 (but only three digits are visible through its…
- Manufacturer Beckman Instruments, Inc.
- Subject Electric apparatus and appliances, Electricity, Potentiometer, Beckman Instruments, Inc.
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6 items
The Significance of pH in Baking
- Beckman Reprint R-6166
- 1960-Oct
The reprinted article, originally published in Bakers Digest, was written by employees of the Fleischmann Laboratories and featured photographs of Beckman pH meters.
Arnold Beckman invented his first pH meter in 1934…
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4 items
Instructions for Operating the Beckman Model H pH Meter
- Bulletin 168-B
- 1950-Oct
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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Chemical analysis at Dow Chemical Company laboratory
- 1944
General view of laboratory technicians analyzing assorted materials in a Dow Chemical Company laboratory. Per notations accompanying the photograph, Bill Herrick (left) is analyzing calcium chloride, which was used for…
- Creator Of Work Dow Chemical Company
- Subject Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Glassware, Laboratories
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Leo Ruhnau conducting acid analysis in Dow Chemical Company laboratory
- 1944
General view of technician Leo Ruhnau using an apparatus to determine the percentage of hydrochloric acid in Dowell acids at a Dow Chemical Company laboratory.
- Creator Of Work Dow Chemical Company
- Subject Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Glassware, Laboratories, Ruhnau, Leo
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James Geary using colorimeter in Dow Chemical Company laboratory
- 1944
General view of technician James Geary using a Klett-Summerson Photoelectric Colorimeter to obtain a determination of iodine at a Dow Chemical Company laboratory. Designed in the 1930's by two Cornell University Medical…
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Technicians titrating aluminum in Dow Chemical Company laboratory
- 1944
General view of technicians (left to right) Lois Nystrom, Rosemary Kirchman, and Helen Lyness using vacuum tube titrators to titrate aluminum in a Dow Chemical Company laboratory. In the titration process, a solution of…
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Marguerite Tenhunen and Dorothy Ferris testing experimental alloys in Dow Chemical Company laboratory
- 1944
General view of technicians Marguerite Tenhunen (left) and Dorothy Ferris (right) using assorted apparatus in a Dow Chemical Company laboratory to determine the quantity of zinc present in experimental alloys.
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3 items
Beckman Develops Instruments to Monitor Life-Support and Electrical Systems on NASA Space Shuttle
- 1978-Oct-23
The press release discusses a carbon dioxide sensor and water purity sensor planned to fly on the Space Shuttle Orbiter in the early 1980s.
- Author Eastman, Elke
- Subject Water--Purification, United States. National Aeronautics and Space Administration, Scientific apparatus and instruments, Space shuttles--Design and construction, Atmospheric carbon dioxide, Space shuttles--Safety measures, Beckman Instruments, Inc., Space Shuttle Program (U.S.)
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11 items
Beckman Introduces Microprocessor-Based System That Separates and Collects Minute Particulates
- 1978-Sep-15
The release details components of the Samplair Automated Dichotomous Particulate Sampling System, which debuted at the Instrument Society of America show.
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2 items
Beckman Introduces New Sensor Assemblies for Climate Monitoring
- 1978-Sep-01
The press release announces the Series 830000 Sensor Assemblies for relative humidity and temperature sensing.
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3 items
Beckman's Analyzer Aids Motorcycle Mechanics
- 1979-Jun-15
The press release describes the Model 590 HC/CO Analyzer, approved for use in four states for vehicle exhaust analysis.
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2 items
Swingarm Support Stand for pH Electrodes
- 1979-Jun-15
The support stand made it easier to move electrodes between samples without tipping or using the electrodes' vertical alignment.
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5 items
Beckman's GC System Monitors Ambient Air in Petrochemical Environments
- 1979-Mar-05
The press release discusses the Model 6750 Ambient Air Monitoring System to be shown at the Pittsburgh Conference.
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Vanadium Corporation mine in Jumasha, Peru
- 1950
General view of the Vanadium Corporation of America mining facilities located in Jumasha, Peru. Vanadium, a malleable transition metal, was discovered in its natural state in Mexico by Spanish-Mexican scientist,…
- Creator Of Work Vanadium Corporation of America
- Subject Vanadium Corporation of America, Steel alloy industry, Peru, Mineral industries, Mines and mineral resources, Vanadium
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Cancha de minerales calcinados y horno de cal
- Field of calcined minerals and lime kiln
- 1911-Oct-25
General view of a field of calcined minerals and lime kiln at the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable…
- Creator Of Work Vanadium Corporation of America
- Photographer Mariano, E.
- Subject Limekilns, Vanadium Corporation of America, Steel alloy industry, Peru, Mineral industries, Mines and mineral resources, Vanadium, Andes
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Cajo Central
- 1911-Oct-25
General view of a section of the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable transition metal, was discovered in…
- Creator Of Work Vanadium Corporation of America
- Photographer Mariano, E.
- Subject Vanadium Corporation of America, Steel alloy industry, Peru, Mineral industries, Mines and mineral resources, Vanadium, Andes
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Vista exterior de los Hornos
- Exterior view of the Furnaces
- 1911-Oct-25
Exterior view of the furnaces at the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable transition metal, was discovered…
- Creator Of Work Vanadium Corporation of America
- Photographer Mariano, E.
- Subject Vanadium Corporation of America, Steel alloy industry, Metallurgical furnaces, Peru, Mineral industries, Mines and mineral resources, Vanadium, Furnaces, Andes
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Tunel No. 2 - Vista exterior
- Tunnel No. 2 - Exterior view
- 1911-Oct-25
General view of the exterior of tunnel no. 2 at the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable transition metal,…
- Creator Of Work Vanadium Corporation of America
- Photographer Mariano, E.
- Subject Vanadium Corporation of America, Steel alloy industry, Peru, Mineral industries, Mines and mineral resources, Vanadium, Andes
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Campamento de arriba
- Top camp
- 1911-Oct-25
General view of the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable transition metal, was discovered in its natural…
- Creator Of Work Vanadium Corporation of America
- Photographer Mariano, E.
- Subject Vanadium Corporation of America, Steel alloy industry, Peru, Mineral industries, Mines and mineral resources, Vanadium, Andes
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Foote Mineral Company lithium carbonate plant
- 1976-Feb-04
Aerial view of the Foote Mineral Company's lithium carbonate plant located in Kings Mountain, North Carolina. A bulk supplier of industrial minerals, the Foote Mineral Company acquired the Vanadium Corporation of…
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Aerial view of lithium brine evaporation panels
- Circa 1969
General view of the Foote Mineral Company's lithium brine evaporation panels located in Silver Peak, Nevada. A bulk supplier of industrial minerals, the Foote Mineral Company began extracting lithium from below Silver…
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Foote Mineral Company lithium brine evaporation panels
- Circa 1969
General view of the Foote Mineral Company's lithium brine evaporation panels located in Silver Peak, Nevada. A bulk supplier of industrial minerals, the Foote Mineral Company began extracting lithium from below Silver…
