Museum of Technology, The History of Gadgets and Gizmos
It was used routinely for the colourometric determination of alloying metals in steel and raw materials. Eg Cu, Ni, Cr, Si and others. It measured the absorption of a solution at a specific wavelength the
Vintage Lab Equipment For Sale
Masterpiece Laboratories is an online marketplace for sales of vintage lab equipment including used spectrometers, angstrometers, microscopes and well used lab equipment for testing laboratories,
Turning Trash into Treasure: Using Old Optical Spectrometers as
This work presents a laboratory experiment which gives new purpose to old optical spectrometers while building knowledge and confidence of students in their understanding of chemical instrumentation.
Spectrophotometer | Beckman Foundation
In the mid 1930s, Dr. Beckman''s pH meter business at National Technical Laboratories was growing rapidly year over year, and they began expanding into other types of scientific instrumentation.
Beckman DU-6 UV/VIS Spectrophotometer
Spurred by employee Howard Cary (who had previously been involved in pH meter development), NTL produced its first DU Spectrophotometer prototype in 1940. This first Model A contained a glass
Antique Spectrometer
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TheSpectrophotometers That Would Not Die
As far as E&S can determine, the oldest of these is a Model DU ultraviolet/visible spectrophotometer in the laboratory of Walter Schroeder, senior research asso ciate in chemistry. Schroeder acquired this
Spectrophotometer
Using quartz rather than ordinary glass, this instrument extended observations into the near ultra-violet. The form remained on the market until 1976, with thousands of examples sold. This one, serial
Antique Spectrometer for sale | eBay
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Vintage Spectrophotometer for sale | eBay
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Spectrophotometer, Coleman Model 11A
By 1955, Coleman was boasting that over 10,000 of these instruments were in use in industrial, medical and academic laboratories all over the world.
Spectrometers
The spectrometer was made by Max Kohl of Chemnitz, Germany, and came equipped with a 14438 line per inch diffraction grating ruled by Rowland of Johns Hopkins University on a blank figured by
A Short History of the Perkin-Elmer Model 137 ''Infracord
The name ''Infracord'' was an obvious extension from the existing ''Spectracord'' UV spectrometer, but the origin of the model number 137 is probably lost for ever.
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