Search Results
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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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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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Colloid Platinum Katalysis Poisoning by Corrosive Sublimate
- Circa 1909
- Creator Of Work Bredig, Georg, 1868-1944
- Subject Congdon, Edgar Davidson, 1879-1970, Colloids, Platinum catalysts, Catalyst poisoning, Chemistry
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2 items
Postcard to Georg Bredig from Martin Taevby
- 1909-Feb-27
- Addressee Bredig, Georg, 1868-1944
- Author Taevby, Martin
- Subject Bredig, Georg, 1868-1944, Taevby, Martin
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65 items
Advertisements for publications by Gebrüder Borntraeger Verlagsbuchhandlung (Borntraeger Brothers)
- Circa 1909 – 1933-Nov
Booklets from Gebrüder Borntraeger Verlagsbuchhandlung (Borntraeger Brothers), from 1913-1933. Gebrüder Borntraeger Verlagsbuchhandlung was a scientific publisher founded in 1790 and specializes in environmental…
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8 items
Letter from H. G. Wenhaw to Georg Bredig
- 1909-Dec-14
- Addressee Bredig, Georg, 1868-1944
- Author Wenhaw, H. G.
- Subject Bredig, Georg, 1868-1944
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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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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 of Ernst Haeckel
- 1909-Oct-12
Postcard from an unidentified sender to Georg Bredig (1868-1944). The front of the postcard features a black and white portrait of Ernst Haeckel (1834-1919).
Haeckel was a German naturalist, philosopher, artist, and…
- Addressee Bredig, Georg, 1868-1944
- Subject Haeckel, Ernst, 1834-1919, Zoologists, Naturalists, Bredig, Georg, 1868-1944, Racism
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2 items
Monument of Robert Bunsen
- After 1908
Photograph of a statue of Robert Wilhelm Bunsen (1811-1899). The statue was created by Hermann Volz (1847 -1941) and unveiled in 1908.
Bunsen was a prolific German chemist. Bunsen's most important work was in…
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4 items
Photograph of a Cooling Process
- 1908 – 1909
Black and white photograph of a man working at a table. Behind him are two transformers, identified as an experimental transformer and a "Wahreltrow" transformer, and an oven. Two duplicate photographs with varying…
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2 items
Potrait of Marcellin Berthelot, 1908
- 1908-Jan-09
Portrait of Marcellin Berthelot (1827-1907). Berthelot was a French chemist, historian, and politician. His work in chemistry focused on organic synthesis and thermochemistry.
The photographer, Henri Manuel…
- Photographer Manuel, Henri, 1874-1947
- Subject Berthelot, M. (Marcellin), 1827-1907, Chemists, Scientists, Carte de visite photographs
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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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11 items
The Design and Equipment of Small Chemical Laboratories
- 1908
Intended to inform the inexperienced college graduate how to design and equip a chemical laboratory, this volume includes sections describing the various general features, appliances, and apparatus needed. Credits the…
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78 items
Badische Anilin & Soda Fabrik
- The Badische Book
- 1908
The Badische Anilin & Soda-Fabrik, informally referred to as the Badische, was founded in 1865. Its products were first introduced into the United States in 1871 by William Pickhardt (d. 1894) & Adolf Kuttroff…