Search Results
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3 items
Georg Bredig's chemistry notes on an experiment
- After 1890 – before 1930
Notes on a scientific experiment conducted by Georg Bredig (1868-1944) including results from an internship in inorganic chemistry.
- Author Bredig, Georg, 1868-1944
- Subject Bredig, Georg, 1868-1944, Chemistry, Inorganic, Note-taking, Chemistry
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3 items
Max Bredig's medical bills
- 1907-Aug-12
- 1934-Sep-09
- 1936-Jan-07
- Creator Of Work Mosca, Claudius, Bügler, Käthe
- Subject Bredig, Max Albert, 1902-1977, Invoices
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Chemistry Lecturers and Assistants at the University of Heidelberg
- 1907
A group photograph of the lecturers and assistants of the Chemical University Laboratories at the University of Heidelberg, 1907. The subjects pose in front of a black and white photograph of the university.
The…
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2 items
Advertisements for works by Wilhelm Ostwald
- Circa 1907
Abstracts for two publications by Wilhelm Ostwald (1853-1932), Prinzipien der Chemie. Eine Einleitung in alle chemischen Lehrbücher (Principles of Chemistry. An Introduction to All Chemical Textbooks) and Der Werdegang…
- Contributor Ostwald, Wilhelm, 1853-1932
- Subject Ostwald, Wilhelm, 1853-1932, Chemistry, Publishers and publishing, Science publishing
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6 items
Dampfverbrauch und bodenzahl
- Steam Consumption and Plate Number
- 1907-Dec
An article titled Verbesserungen an elektrischen Pyrometern (Improvements to Electric Pyrometers) by F. Hirschson published in the journal Dampfverbrauch und bodenzahl. The article was collected by Georg Bredig…
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4 items
Original-Arbeiten IX. Französischer Kongress Für Innere Medizin zu Paris
- Original Works IX. French Congress of Internal Medicine in Paris
- 1907-Oct
- Author Soleil, G.
- Subject Zeitschrift für neuere Physikalische Medizin
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Newspaper article about Fritz Haber
- After 1868 – before 1934
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2 items
Der Mensch reißt den Blitz vom Himmel: 10 Millionen Volt für Atomzertrümmerung
- Pulling Lightning from the Sky: 10 Million Volts for Atomic Destruction
- After 1892 – before 1945
Clipping from the Berliner Illustrirte Zeitung, a German weekly illustrated magazine published in Berlin from 1892 to 1945. Berliner was the first mass-market German magazine and pioneered the format of the illustrated…
- Publisher Ullstein GmbH
- Subject German newspapers, Newspapers, Clippings (Books, newspapers, etc.)
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180 items
Letters to a Painter on the Theory and Practice of Painting
- 1907
Volume inspired by correspondence between Wilhelm Ostwald (1853-1932) and various contemporary artists. According to Ostwald, "These letters appeared during the winter and spring of 1903-1904 in the scientific…
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Mortar and Pestles
- After 1868 – before 1944
Two sets of mortar and pestles belonging to Georg Bredig (1868-1944). The larger is made of white porcelain and the smaller is made from agate. Mortar and pestles are used to manually grind or crush a sample into a fine…
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2 items
Manual drafting set
- After 1868 – before 1944
Georg Bredig's (1868-1944) drafting set. The tools are held in a rectangular case, lined with dark blue velvet.
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3 items
Folders belonging to Georg Bredig
- 1901 – 1939
Two paper Leitz brand folders with handwritten annotations by Georg Bredig (1868-1944)
- Contributor Bredig, Georg, 1868-1944
- Subject Bredig, Georg, 1868-1944, Office equipment and supplies
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6 items
No. 4 Inverted Mantle with No. 8 Magnesia Ring
- 1890 – 1930
Unused Welsbach No. 4 Inverted Mantle and No. 8 Magnesia Ring in its original cardboard box from Lindsay Light and Chemical Company.
The Welsbach gas mantle is a device made of fibers impregnated with oxides of cerium…
- Creator Of Work Welsbach Gas Light Company
- Contributor Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929
- Subject Lighting--Equipment and supplies, Incandescent lamps, Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929, Gas-lighting, Incandescent gas-lighting, Rare earth industry, Welsbach Gas Light Company, Rare earths
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2 items
Portrait of Theodor Curtius, 1907
- 1907
Portrait of Theodor Curtius (1857-1928). Throughout his career, Curtius was a professor of chemistry at the University of Heidelberg, the director of the analytical chemistry department at the University of Erlangen,…
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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
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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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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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…
