Search Results
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2 items
Metamerism Samples
- Decade starting 2000
Three small squares of gray fabric placed under different lighting conditions to demonstrate the phenomena of metamerism. From left to right, the fabric samples are placed under commercial fluorescent, daylight…
- Manufacturer Black Swan Textiles
- Subject Colors, Textile fabrics, Optical illusions, Dyes and dyeing--Chemistry, Dyes and dyeing--Textile fibers
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20 items
Tabellarische Uebersicht über die künstlichen organischen Farbstoffe und ihre Anwendung in Färberei und Zeugdruck
- Tabular Overview of Artificial Organic Dyes and Their Use in Dyeing and Fabric Printing
- 1905
Pamphlet containing 82 dyed fabric samples organized in a table. The table provides the trade name of the dye used, application instructions, and colorfastness observations. Dyes shown include diazo dyes, trisazo dyes,…
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192 items
Various works including Lucidarium artis transmutationis metallorum, extracts from the Sommeta and Violetta, and Epistola
- Transmutation de' mettali
- 1557
A collection of alchemical texts by Christophorus (or sometimes in this manuscript “Christofalus”) Parisiensis. Despite his name, Christophorus Parisiensis (Christopher of Paris) was likely Italian, possibly from…
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48m 37s
Linus Pauling Lectures on Valence and Molecular Structures: Part 3
- 1957
In this third lecture in a series on valence and molecular structure, Pauling addresses ligancy, coordination numbers and complexes, metallic valence, oxidation numbers, hydrogen bonds, and weak forces.
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4 items
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2 items
Über die Bestimmung von Phosgen in Gasgemischen
- About the determination of phosgene in gas mixtures
- 1924
Article titled Über die Bestimmung von Phosgen in Gasgemischen and co-written by Georg Bredig (1868-1944) and Andor von Goldberger from the Institut für Physikalische Chemie und Elektrochemie, Leibniz Universität…
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4 items
Letter from Rosa Bredig to Max Bredig, June 17, 1927
- 1927-Jun-17
Rosa Bredig (1877-1933) encourages her son, Max Bredig (1902-1977), to accept an offer from Kasmir Fajans (1887-1975), a Polish chemist and professor at the University of Munich, to work in his laboratory.
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2 items
Letter from James Curtis Booth to Jesse Y. Burk
- 1884-Oct-21
A letter of recommendation from James Curtis Booth (1810-1888) to Rev. Jesse Y. Burk, Secretary of the Board of Trustees of the University of Pennsylvania, recommending chemist Prof. Samuel P. Sadtler (1847-1923).
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2 items
Postcard from Georg Bredig and Colleagues to Rosa Bredig
- 1914-Mar-01
Autographed postcard from the Anniversary Festival Of The Karsruhe Chemical Society, sent by Georg Bredig (1868-1944) to his wife Rosa Bredig, née Fraenkel (1877-1933).
Autographs are identified as Hartwig Franzen…
- Contributor Bredig, Georg, 1868-1944
- Addressee Bredig, Rosa, 1877-1933
- Subject Germany--Karlsruhe, Chemists, Chemistry--Societies, etc., Bredig, Rosa, 1877-1933, Bredig, Georg, 1868-1944
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Letter from Max Bredig to Georg Bredig, December 5, 1937
- 1937-Dec-05
Max Albert Bredig (1902-1977) writes to his father, Georg Bredig (1868-1944) about his work and mineralogy. He tells Georg about attending a lecture by Alfred H. White, a professor of chemical engineering at the…
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2 items
Letter from Max Bredig to Georg Bredig, April 11, 1936
- 1936-Apr-11
Max Albert Bredig (1902-1977) writes to his father, Georg Bredig (1868-1944). Max describes his work in Berlin, contemplations about finding work abroad and celebrating the Seder. Max also begins to encourage his father…
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2 items
Postcard from Svante Arrhenius to Georg Bredig, January 1912
- 1912-Jan-24
Svante Arrhenius (1859-1927) writes to Georg Bredig (1868-1944) about the possibility of understanding deviation on strong electrolytes. He also discusses the 1912 Summer Olympics, which was held Stockholm, Sweden, from…
- Addressee Bredig, Georg, 1868-1944
- Author Arrhenius, Svante, 1859-1927
- Subject Olympics, Chemists, Chemistry, Nobel Prize winners, Arrhenius, Svante, 1859-1927, Bredig, Georg, 1868-1944
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2 items
Letter from Svante Arrhenius to Georg Bredig, March 1922
- 1922-Mar-01
Svante Arrhenius (1859-1927) updates Georg Bredig (1868-1944) on his professional life in Sweden and his upcoming travel plans to Holland, Belgium, and France. Arrhenius additionally laments the periolous economic…
- Addressee Bredig, Georg, 1868-1944
- Author Arrhenius, Svante, 1859-1927
- Subject Arrhenius, Svante, 1859-1927, Bredig, Georg, 1868-1944, World War (1914-1918), Chemistry, Money
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3 items
Letter from Svante Arrhenius to Georg Bredig, March 1912
- 1912-Mar-22
Svante Arrhenius (1859-1927) writes to Georg Bredig (1868-1944) to congratulate him on his new laboratory. He additionally discusses the scientific work of other chemists.
- Creator Of Work Arrhenius, Svante, 1859-1927
- Addressee Bredig, Georg, 1868-1944
- Subject Arrhenius, Svante, 1859-1927, Bredig, Georg, 1868-1944, Nobel Prize winners, Nobel Prizes, Chemistry
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Problem... Solution Result... [October-November]
- Part of 1947 Hercules Advertisements
- 1947
Advertisement for cellulose acetate products manufactured and sold by the Hercules Powder Company for use in personal brush production. This advertisement appeared in the October 1947 issue of Nation's Business; the…
- Creator Of Work Hercules Incorporated
- Subject Chemical industry, Hercules Incorporated, Corporations, Advertising, Industrial, Cellulose--Chemistry, Cellulose, Ethylcellulose, Brooms and brushes
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Problem... Solution Result... [March]
- Part of 1947 Hercules Advertisements
- 1947
Advertisement for Vinsol, a resin manufactured and sold by the Hercules Powder Company for use in cement and road construction. This advertisement appeared in the March, 1947 issue of Nations Business; the March 1, 1947…
- Creator Of Work Hercules Incorporated
- Subject Chemical industry, Hercules Incorporated, Corporations, Advertising, Industrial, Cellulose--Chemistry, Cellulose, Ethylcellulose, Gums and resins
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76 items
Der Bildungstrieb der Stoffe
- 1858
Early examples of paper chromatography from German chemist Friedlieb Ferdinand Runge, who is considered to be the originator of the analytic technique. Runge investigated the color reactions of various chemical…
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Richard Gruenhagen and Jack Hardy in Dow Agricultural Research Laboratory
- Circa 1953
General view of plant pathologists Richard Gruenhagen (left) and Jack Hardy (right) at work in the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California.
- Creator Of Work Dow Chemical Company
- Subject Agricultural chemicals, Employees, Industries, Plants, Dow Chemical Company, Agricultural chemistry, Gruenhagen, Richard, Hardy, Jack
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Roger Monroe in Aromatics Laboratory at Dow Chemical Company
- Circa 1955
General view of chemist Roger Monroe working with a still in the Dow Chemical Company's Bush Aromatics Research Department.
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Laboratories, Dow Chemical Company, Aromaticity (Chemistry), Glassware, Scientific apparatus and instruments, Monroe, Roger
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2 items
Aerial view of U.S. Department of Agriculture facilities
- Circa 1930
Two aerial views of facilities believed to be associated with the U.S. Department of Agriculture.
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Indigo
- Old as the Pyramids... New as the 20th Century
- 1937
Color print advertisement for synthetic indigo and other indigoid products manufactured and sold by the Dow Chemical Company. The advertisement features images of ancient Egyptian statues with accompanying text…
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Conference room at the Fixed Nitrogen Research Laboratory
- Circa 1928
General view of a conference room at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American…
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Letter from Robert S. Mulliken to Harrison Shull, 1961
- 1961-Nov-27
Letter between Robert S. Mulliken and Harrison Shull, American quantum chemists.
- Addressee Shull, Harrison
- Author Mulliken, Robert Sanderson
- Subject Shull, Harrison, Mulliken, Robert Sanderson, Chemists, Helium, Quantum chemistry, Electrons, Nobel Prize winners, Physicists
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Letter from Tadeusz Reichstein to Frank Stodola
- 1938-Mar-25
Concerns Stodola's request for reprints from Reichstein.