Search Results
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12 items
Michael Faraday : Man of Science
- After 1865 – before 1929
A biographical account of the life and accomplishments of Michael Faraday (1791-1867), an English scientist who contributed to the study of electromagnetism and electrochemistry. Digitized content includes the work's…
- Author Jerrold, Walter, 1865-1929
- Publisher Fleming H. Revell
- Subject Faraday, Michael, 1791-1867, Physicists, Lectures and lecturing, Electromagnetism, Electrochemistry
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2 items
Kipp's Apparatus
- Circa 1880 – 1920
A Kipp's apparatus, also called a Kipp generator, was an instrument designed for the preparation of small volumes of gases. The instrument was invented around 1844 by the Dutch pharmacist Petrus Jacobus Kipp (1808-1864)…
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Hand-crank Centrifuge, Babcock Milk Tester
- After 1900 – before 1950
A metal, hand-crank centrifuge with a three-pronged metal base. The base is painted a rusty red color and has been attached to a wooden board for stability. A long metal crank on the side of the base bends at a…
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2 items
Prosthetic arm with hook
- 1900s
A hollow, fiberglass prosthetic arm with attached pincher hooks and a rubber grip. The left hook can be manipulated by the wearer by a lever mechanism. The hooks are not detachable and the elbow joint is missing from…
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Prosthetic arm with strings
- 1900s
A prosthetic arm and detachable hand with wrist and mechanisms that allow the joints to be manually rotated and locked into place. The hand has a wide, hinged, non-jointed thumb with a large surface and a curved pointer…
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8 items
Standing Wheelchair Model
- 1900s
A wooden model of a standing wheelchair with a figure. The model is constructed of three pieces: two sides of the wheelchair, and one figure. The model was built by Morris A. Robbins, M.D. (1916-2004), an orthopedic…
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Letter from Rudolf Knietsch to Georg Bredig including Georg Breidg's note to Mr. Sichty
- 1905-Oct-14
Rudolf Knietsch (1854-1906), a German chemist, informs Georg Bredig (1868-1944) that he will send him one liter of a sulfuric acid monohydrate for an experiment. Bredig forwards the letter to another colleague, Mr.…
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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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Jean Billitzer (Wien), Kolloidale Metalle
- Jean Billitzer (Vienna), Colloidal Metals
- Before 1905
- Author Billitzer, Jean
- Subject Billitzer, Jean, Colloids, Metallurgy
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2 items
Letter from Jacobus H. van 't Hoff to Georg Bredig, June 1905
- 1905-Jun-26
Jacobus Henricus van’t Hoff (1852-1911) writes to Georg Bredig (1868-1944) about ammonia as a catalyst.
Envelope glued to the back of the letter.
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4 items
Clipping of a chart and table from "Über die Legierungen des Magnesiums mit Zinn und Thallium"
- Clipping of a chart and table from “On the Alloys of Magnesium with Tin and Thallium”
- 1905
Clippings show data gathered from research by Georg Grube published in Zeitschrift anorganische Chemie Volume 46, Issue 1 (1905).
- Author Grube, Georg
- Subject Tables
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10 items
Die Neuere Entwicklung der Kristallographie von H. Baumhauer
- The Recent Development of Crystallography by H. Baumhauer
- 1905
- Creator Of Work Baumhauer, Heinrich Adolph, 1848-1926
- Subject Baumhauer, Heinrich Adolph, 1848-1926, Crystallography
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2 items
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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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2 items
Photograph of Jacobus van 't Hoff and Wilhelm Ostwald
- 1905
Black and white photograph of Jacobus Henricus van’t Hoff (1852-1911) and Wilhelm Ostwald (1853-1932) in a laboratory.
Ostwald and van't Hoff are considered to be among the founding fathers of the field of physical…
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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
Postcard from Ivan Teletow to Georg Bredig
- Circa 1905
Postcard sent from Ivan Teletow (1878-1947) to Georg Bredig (1868-1944). The front of the postcard features a black and white image of Teletow at a desk smoking. He is writing, surrounded by laboratory equipment.
Ivan…
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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
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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25 items
Marpmann's Illustrirte Fachlexika der Gesammten Apparaten-, Instrumenten- und Maschinenkunde, der Technik und Methodik für Wissenschaft, Gewerbe und Unterricht
- Marpmann's Illustrated Encylopedia of the Entire Apparatus, Instrument and Machine Technology, Technology and Methodology for Science, Trade and Teaching
- 1905
Digitized content includes a limited selection of illustrations.
