Search Results
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Scientists in a laboratory in Leipzig, Germany
- 1895 – 1896
Black and white photograph of scientists standing in a laboratory in Leipzig, Germany. The group of men, many of whom are graduate students studying under Wilhelm Ostwald (1853-1932), surround a table crowded with…
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Scientists in a laboratory in Leipzig, Germany
- 1895 – 1896
Black and white photograph of scientists standing in a laboratory in Leipzig, Germany. The group of men, many of whom are graduate students studying under Wilhelm Ostwald (1853-1932), surround tables crowded with…
- Subject Chemists, Ostwald, Wilhelm, 1853-1932, Tafel, Julius, Stackelberg, Eduard von 1867-1943, Bigelow, S. Lawrence (Samuel Lawrence), 1870-1947, Kenrick, Frank B., 1874-1951, Laboratories, Bredig, Georg, 1868-1944, Luther, Robert Thomas Diedrich, 1868-, Zittel, Karl Alfred von, 1839-1904, Rindell, Arthur, 1852-1936, Scientific apparatus and instruments
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5 items
Scientific Notes from Johannes Diderik van der Waals sent to Georg Bredig
- 1895-Feb-04
An invitation to the meeting of the Faculty of Mathematics and Physics at the University of Amsterdam and calculations using the Van der Waals equation of state written by its creator, Johannes Diderik van der Waals…
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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 Svante Arrhenius to Georg Bredig, June 1895
- 1895-Jun-21
Postcard from Svante Arrhenius (1859-1927) to Georg Bredig (1864-1944). Arrhenius tells Bredig of his travels in Norway and Christiana.
- Addressee Bredig, Georg, 1868-1944
- Author Arrhenius, Svante, 1859-1927
- Subject Arrhenius, Svante, 1859-1927, Bredig, Georg, 1868-1944, Chemists, Nobel Prize winners
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2 items
Postcard from Svante Arrhenius to Georg Bredig, May 1895
- 1895-May-12
Postcard from Svante Arrhenius (1859-1927) to Georg Bredig (1868-1944). Arrhenius writes about potential travel plans for Bredig in the upcoming months.
Svante Arrhenius is attributed to being one of the founders of…
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3 items
Letter from Svante Arrhenius to Georg Bredig, November 1895
- 1895-Nov-15
Svante Arrhenius (1859-1927) writes to Georg Bredig (1868-1944) to update him on his personal life, professional endeavors, and his laboratory.
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Letter from Svante Arrhenius to Georg Bredig, March 1895
- 1895-Mar-17
Letter from Svante Arrhenius (1859-1927) to Georg Bredig (1868-1944) regarding Bredig's upcoming arrival in Sweden to study physical chemistry; this apprenticeship would lead to a life-long friendship between the two…
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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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Students in anatomy class at Woman's Medical College of Pennsylvania
- 1895
Cyanotype depicting a group of female students participating in an anatomy class at the Woman's Medical College of Pennsylvania. The group is gathered around a table working on a human cadaver. The students' names are…
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The Gyroscope
- 1870 – 1900
Illustration of a gyroscope, an apparatus that exemplifies the laws of conservation of angular momentum, meaning it will maintain rotational movement in a plane of rotation in spite of the force of gravity. The…
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Preparation of Metallic Iron
- 1870 – 1900
Illustration showing an apparatus used to generate an environment in which iron is able to ignite with oxygen at room temperature. The illustration is labeled to indicate a source of hydrogenated gas, a desiccative…
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The Electric Stamp
- 1870 – 1900
Illustration depicting an electric stamp, a device used to deface stamps with a heated platinum wire in the form of a design or initial. The device is powered by electricity, using the hand of its user to complete the…
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Smee's Cell and Smee's Battery
- 1870 – 1900
Illustrations of the electric cell and battery apparatus developed by Alfred Smee (1818-1877). The cell consists of two positively charged zinc plates and one negatively charged platinized silver plate immersed in…
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The Electric Machine
- 1870 – 1900
Illustration depicting an Electric Machine, or a device used to convert mechanical energy into electrical energy to store a static positive charge. The device operates by turning a glass plate between two metal-coated…
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Bessemer's Process
- 1870 – 1900
Black and white illustration depicting a chamber with bursts of heat emitting from either side. The scene represents an environment in which the Bessemer process may be conducted. The Bessemer process, developed by Sir…
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Will-O'-The-Wisp (Phosphuretted Hydrogen and Marsh Gas)
- 1870 – 1900
Black and white illustration depicting an evening marsh scene. The illustration demonstrates the natural occurrence of phosphoric compounds which become luminous in the presence of atmospheric gases. The illustration…
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Edison's Electric Pen
- 1870 – 1900
Black and white illustration depicting the electric pen, an invention of Thomas Edison (1847-1931). Powered by an electric motor, the pen was created as a means to duplicate documents. It operates by using a perforating…
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Casting Plate-glass
- 1870 – 1900
Illustration depicting the manufacture of plate glass, a form of glass traditionally made by casting and rolling and characterized by its excellent surface produced by grinding and polishing.
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Sulphur [Sulfur] Furnace
- 1870 – 1900
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