Search Results
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Pills for the Huns
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject Phosgene, Chemical agents (Munitions)--Transportation, Chemical agents (Munitions)--Storage, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical agents (Munitions), Chemical warfare, World War (1914-1918)
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176 items
The Edgewood Arsenal
- The Chemical Warfare
- 1919-Mar
The Chemical Warfare was published monthly by the enlisted men of Edgewood Arsenal in Edgewood, Maryland "to bring the news—to stimulate [them] in [their] work—to make for happiness—to cheer and to educate." This issue…
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5 items
A Discussion of pH Measurement Methods
- 1936-Aug
This report outlines the colorimetric and electrical ways to determine the pH of a solution and the various kinds of electrodes that can be used with electrical instruments. Beckman concludes that a method using glass…
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Buffer Solutions
- 1939-Oct
Written by NTL (the precursor to Beckman Instruments, Inc.), this document outlines new standards for buffer solutions used in pH meters.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist…
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4 items
Beckman Model H Glass Electrode pH Meter
- Bulletin 170
- Circa 1950
Promotional, color pamphlet for the Model H pH Meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the…
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Union Carbide's First Chemical Operation, Clendenin, West Virginia
- Undated
Landscape painting with architecture. A high eye-level view of a river valley from a hilltop, showing a small cluster of industrial buildings concentrated in the lower right. Post-Impressionistic style. Pencil marks…
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Portrait of George Trapp
- 1930
Standing portrait of George Trapp, a blue-collar worker, looking left; dressed in work clothes including a cap, white shirt, vest, and smock; holding the neck of a green glass carboy in left hand; to left, crates used…
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Portrait of Reinhart Geiger
- 1930
Portrait of Reinhart Geiger standing, facing left; dressed in cap, blue coat, and gloves; holding oil can; locomotive in background; train tracks in lower right.
Gilded frame with label: "REINHART GEIGER / LOCOMOTIVE…
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The Alchemist
- 1937
Facing a glowing furnace at left, a bearded alchemist in green with a red cap looks at a flask of green liquid. A young assistant in a red singlet stands to his right. Laboratory apparatus is seen in foreground and…
- Artist Wyeth, N. C. (Newell Convers), 1882-1945
- Subject Alchemists, Alchemy, Alchemy in art