Search Results
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2 items
Portrait of Theodor Curtius, 1905/1906
- 1905 – 1906
Portrait of Theodor Curtius (1857-1928) dressed in academic regalia taken at E. Schultze photography studio.
Throughout his career, Curtius was a professor of chemistry at the University of Heidelberg, the director of…
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2 items
Georg Bredig and Chemists at the University of Heidelberg
- 1905 – 1906
Black and white photograph of Georg Bredig (1868-1944) and fellow chemists at the University of Heidelberg. Bredig is seated at the center of the photo, and the group of seven men who surround him are possibly Bredig's…
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2 items
Founder’s Day celebration, 1906
- 1906
Photograph of a founder's day celebration in Starkenberg Germany. Depicts men seated outdoors at a long banquet table. A sign at the end of the table reads "geheimratsecke," or "receding hairline" in English.
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2 items
Portrait of Ernst Cohen
- After 1895 – before 1933
Portrait of Ernst Cohen (1869-1944) by Koene & Büttinghausen in the Netherlands.
Ernst Cohen, a Dutch scientist and professor, was known for his research on the allotropy of tin. Cohen worked under Svante Arrhenius…
- Photographer Koene & Büttinghausen
- Subject Cohen, Ernst, 1869-1944, Chemists, Jewish scientists, Carte de visite photographs
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2 items
Physical Chemists at the University of Heidelberg
- 1906
Black and white photograph of scientists posing in a physical chemistry laboratory at the University of Heidelberg. On the right side table are several glass flasks, beakers, and columns.
Georg Bredig (1868-1944) has…
- Subject Bredig, Georg, 1868-1944, Marck, A., Fraenkel, Walter, 1879-1945, MacBain, James Willian, 1882-1953, Antropoff, Andreas von, 1878-1956, Universität Heidelberg, Chemists, Braune, Hermann, 1886-1977, Teletow, Iwan, Spear, Ellwood Barker, 1875-, Fraenkel, Walter, 1879-1945, Scientific apparatus and instruments, Lichty, David Martin, 1862-1942
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2 items
Letter from Nikolay Zelinsky to Georg Bredig
- 1906-May-21
Nikolay Zelinsky (1861-1953), a Russian chemist and a founder of the theory on organic catalysis, writes to Georg Bredig (1868-1944) to request his student's acceptance to work in Bredig's lab.
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2 items
Postcard from Theodor Svedberg to Georg Bredig
- 1907-Dec-21
Theodor Svedberg (1884-1971), a Swedish chemist and Nobel laureate for his research on colloids and proteins using the ultracentrifuge, thanks Georg Bredig (1868-1944) for a letter and offprint.
- Author Svedberg, Theodor, 1884-1971
- Addressee Bredig, Georg, 1868-1944
- Subject Bredig, Georg, 1868-1944, Svedberg, Theodor, 1884-1971, Nobel Prize winners
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2 items
Holiday card from Mr. and Mrs. Joseph Ruzek to Georg Bredig
- After 1890 – before 1940
A Christmas card featuring a black and white illustration of a winter nighttime scene. The view shows a snow-covered Karlsruher Schloss, or Karlsruhe palace.
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2 items
Christmas card from Mr. and Mrs. Joseph Ruzek to Georg Bredig
- After 1890 – before 1940
A Christmas card featuring a black and white illustration of a large adorned Christmas tree at the Rondellplatz, or the city square of Karlsruhe, Germany.
- Addressee Bredig, Georg, 1868-1944
- Author Ruzek, Joseph, 1903-1956
- Subject Christmas, New Year, Greeting cards, Germany--Karlsruhe, Ruzek, Joseph, 1903, Bredig, Georg, 1868-1944
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3 items
Christmas card from Mr. and Mrs. Joseph Ruzek to Georg Bredig
- After 1890 – before 1940
A Christmas card featuring a black and white illustration of the Rondellplatz, or the city square of Karlsruhe, Germany.
- Addressee Bredig, Georg, 1868-1944
- Author Ruzek, Joseph, 1903-1956
- Subject Greeting cards, Christmas, New Year, Germany--Karlsruhe, Ruzek, Joseph, 1903, Bredig, Georg, 1868-1944
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2 items
Postcard from Gilbert N. Lewis to Georg Bredig
- 1906-Oct-09
Thank you note from Gilbert Newton Lewis (1875-1946) to Georg Bredig (1868-1944). Bredig had previously sent Lewis copies of his papers.
Gilbert Newton Lewis was an American physical chemist and, at the time of…
- Addressee Bredig, Georg, 1868-1944
- Author Lewis, Gilbert Newton, 1875-1946
- Subject Chemists, Bredig, Georg, 1868-1944, Lewis, Gilbert Newton, 1875-1946
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14 items
Röntgen Rays and Electro-Therapeutics, with Chapters on Radium and Phototherapy
- Circa 1907
Digitized content includes fourteen notable illustrations from the publication Röntgen Rays and Electro-Therapeutics, with Chapters of Radium and Phototherapy. Illustrations depict Professor Wilhelm Röntgen, friction…
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2 items
Journal of the Society of Dyers and Colourists, November 1906
- Sample of Perkin's Mauve
- 1906-Nov (Journal Article)
- 1954-Nov-29 (Reflectance Curve)
Digitized content includes a page from the November 1906 issue of the Journal of the Society of Dyers and Colourists and a foldout of an interleaved reflectance spectroscopy chart. The journal article excerpt includes…
- Creator Of Work Journal of the Society of Dyers and Colourists
- Publisher Society of Dyers and Colourists
- Subject Perkin, William Henry, Sir, 1838-1907, Dyes and dyeing, Dyes and dyeing--Textile fibers, Mauve, Dye industry, Textile industry, Coal-tar products, Reflectance spectroscopy, American Cyanamid Company
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93 items
Jubilee of the Discovery of Mauve and of the Foundation of the Coal-Tar Colour Industry
- 1906
A transcript and description of the various proceedings of the International Celebration of the Coal-tar Colour Jubilee taking place at the Royal Institution of Great Britain and various locations in America including…
- Publisher Perkin Memorial Committee
- Editor Meldola, Raphael, 1849-1915, Green, Arthur G., Cain, John Cannell
- Printer Wright, George Edward
- Subject Perkin, William Henry, Sir, 1838-1907, Dyes and dyeing, Dyes and dyeing--Textile fibers, Coal-tar products, Coal-tar colors, Mauve, Farbenfabriken Bayer Aktiengesellschaft
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47 items
Set of Postcards depicting the Welsbach Factory in Gloucester, New Jersey
- 1890 – 1930
This set of postcards depicts the scenes from the Welsbach Incandescent Gas Lighting Company factory at Gloucester, New Jersey. Originally a set of 46 postcards, this collection is missing cards number 20 and 31. The…
- Contributor Welsbach Gas Light Company
- Subject Welsbach Gas Light Company, Employees, Incandescent gas-lighting, Incandescent gas-lighting--Fixtures, Lighting, Rare earth industry, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Women employees, Rare earths, Machinery in the workplace, Machinery
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24 items
Reflex Inverted Gas Light Catalog
- 1890 – 1930
Welsbach aimed its Reflex line at the middle of the gas mantle market, priced below its Welco line but above its biggest selling models like the Number 4 mantle. Images in this catalog illustrate Welsbach's imagined…
- Creator Of Work Welsbach Gas Light Company
- Subject Welsbach Gas Light Company, Incandescent gas-lighting, Incandescent gas-lighting--Fixtures, Rare earth industry, Rare earths, Advertising, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Gas-lighting, Interior lighting, Interior lighting--Design
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2 items
Carl Auer von Welsbach Cigarette Trading Card
- 1890 – 1930
Austrian chemist Carl Auer von Welsbach (1858-1929) was a key figure in the history of rare earth elements. In 1885 he showed didymium was not an element, but an alloy of two elements that he named praseodymium and…
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13 items
Dyestuffs for Wood Stains
- 1900s
Sample book for dyeing solutions on wood from the Interessengemeinschaft Farbenindustrie Aktiengesellschaft, a German chemical and pharmaceutical conglomerate. Contains dyeing instructions and sixty-four mounted wood…
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96 items
Chemistry notes taken by Rose Agnes Brabenec
- 1907
Notebook used by Rose Agnes Brabenec (1889-1963) during a high school-level chemistry class in Chesterland, Ohio. The notebook begins with notes pertaining to carbon (chapter 11, page 176) and includes a variety of…
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Portrait of Dr. Michael Somogyi (1883-1971)
- 1900 – 1925
Portrait of Dr. Michael Somogyi (1883-1971), a Hungarian American professor of biochemistry at the Washington University and Jewish Hospital of St. Louis, who prepared the first insulin treatment given to a child with…
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50 items
Adulterated Drugs and Chemicals
- 1906
Text includes sections entitled "Inferior drugs and insidious methods of deception," "Rose geranium oil and its substitutes," and "Phenacetin: methods of analysis and commercial status."
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12 items
Tallqvist's Hämoglobin scale
- 1900 – 1920
Developed circa 1900 and often called the Tallquist Method, it is used to compare a patient's blood color to a chart of red colors to diagnose possible anemia. The method is still used when more sophisticated equipment…
- Author Tallqvist, Theodor Waldemar, 1871-1927
- Publisher Sharp & Smith
- Subject Hemoglobin, Diagnosis, Medical care, Blood
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Bunsen, Kirchhoff, and Roscoe
- 1862 (Creation)
- 1906 (Publication)
Photographic portrait of Robert W. Bunsen, Gustav Kirchhoff, and Henry E. Roscoe. Roscoe explains in the work's text that the photograph was taken during a visit of Bunsen and Kirchhoff to Manchester while Roscoe was…
- Author Roscoe, Henry E. (Henry Enfield), 1833-1915
- Printer Of Plates Walker, Emery, 1851-1933
- Publisher Macmillan Company
- Subject Roscoe, Henry E. (Henry Enfield), 1833-1915, Bunsen, R. (Robert), 1811-1899, Kirchhoff, G. (Gustav), 1824-1887
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Henry Enfield Roscoe
- 1906 (Publication)
A photographic portrait of Henry Enfield Roscoe writing at a desk at his home, Woodcote Lodge in 1906. The photograph was taken by a photographer from Elliot & Fry studio and printed by Emery Walker.
A photomechanical…- Author Roscoe, Henry E. (Henry Enfield), 1833-1915
- Printer Of Plates Walker, Emery, 1851-1933
- Publisher Macmillan Company
- Subject Roscoe, Henry E. (Henry Enfield), 1833-1915
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Robert Wilhelm Bunsen
- 1891 (Creation)
- 1906 (Publication)
Robert Wilhelm Bunsen was born March 30, 1811 in Göttingen and died August 16, 1899 in Heidelberg. He was a German inventor, chemist, and professor whose light studies created the field of spectrum analysis.
Sir Henry…
