Search Results
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Test Tube Rack
- Undated
Rectangular wooden apparatus for holding fifteen test tubes upright. Heavy tape has been attached to all four sides.
- Subject MacDiarmid, Alan G., 1927-2007, Test tubes
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2 items
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Telegram from Max Bredig to Marianne Homburger, April 30, 1941
- 1941-Apr-31
Telegram from Max Albert Bredig (1902-1977) to his sister Marianne Homburger (1902-1986) asking about account information for a money transfer.
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Telegram from Max Bredig to Liselotte Zadek
- Undated
Max Albert Bredig (1902-1977) asks Liselotte Zadek to forward him a letter from Kasimir Fajans (1887-1975).
- Author Bredig, Max Albert, 1902-1977
- Addressee Zadek, Liselotte
- Subject Bredig, Max Albert, 1902-1977, Zadek, Liselotte, Fajans, Kasimir, 1887-1975
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Telegram from Max Bredig to Kasimir Fajans
- Undated
Max Albert Bredig (1902-1977) tells Kasimir Fajans (1887-1975) that he hopes to be in Ann Arbor, Michigan, by the end of October. Bredig, with the help of Fajans, was able to emigrate from Germany with a position at the…
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Sunderman Model RCM14B Direct Reading Type Conductivity Bridge
- Undated
Wooden box with black metal instrument panel; four padded metal feet on bottom; leather handle attached to side with two nickel connectors; nickel lock on side of base and lid; lid connects to base via two coated metal…
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Scholar Interrupted at His Writing
- An Alchemist in His Laboratory
- Undated
In this variation of a painting by Gerard Dou, a scholarly alchemist, wearing a fur-lined robe, gazes with directness at the viewer as he composes his note. Holding a small quill pen with an open text before him, the…
- After Dou, Gerard, 1613-1675
- Subject Dou, Gerard, 1613-1675, Alchemists, Alchemy, Alchemy in art, Vanitas (Art)
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2 items
Red Dye Bottle
- Undated
Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over).
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2 items
Pyramine Orange Dye Bottle
- Undated
Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over).
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2 items
Putnam Fadeless Dyes Tin Sign
- Undated
- Contributor Putnam Dyes
- Manufacturer American Can Company
- Subject Dyes and dyeing, Putnam Dyes
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2 items
Product Sample (Plastic amalgamation)
- Undated
Irregularly-shaped piece of foam-like silver plastic; pieces of twisted copper wire are holding some portions together; bottom has a wax or glue-like material coating it; some areas have a blackened, charred appearance.
- Subject Plastics, Plastics industry and trade
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2 items
Printers Block Stamp depicting the Bredig Arc Method
- Undated
Printers Block Stamp depicting the Bredig Arc Method for the preparation of colloidal solutions. Georg Bredig (1868-1944) developed the Bredig Arc Method in 1898. In 1899 the Deutsche Elektrochemische Gesellschaft…
- Subject Bredig, Georg, 1868-1944, Chemistry
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Precision Scientific Meeker Burner
- Undated
Meeker burners function the exact same way as Bunsen burners except that they are used for objects that require a wider flame base. The Meeker burner can produce more heat than a Bunsen burner and features a distinctive…
- Manufacturer Precision Scientific Company
- Subject Bunsen burner, Precision Scientific Company, Meeker burner
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Potentiometer
- Undated
Potentiometers are used to measure electromotive force (emf) by balancing it with a known emf. The concept was first developed in 1841 by J. C. Poggendorff and improved throughout the 19th century by Latimer Clark and…
- Manufacturer Leeds and Northrup Company
- Subject Potentiometer, Leeds and Northrup Company
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Porcelain mortar
- Undated
Porcelain mortar owned by Georg Bredig (1868-1944). Mortar and pestles are used to manually grind or crush a sample into a fine powder.
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2 items
Palatina Chroma Brown Dye Bottle
- Undated
Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over); bottle is half full with original dye.
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Olivine
- Undated
Olivine is a mineral with a distinct green color and granular-shaped crystals. It is one of the first minerals to cool and crystallize from magma. Recently, olivine has been used as an alternative to silica sand and…
- Subject Precious stones, Minerals, Olivine
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Notes about passenger fees by Max Bredig
- Undated
- Creator Of Work Bredig, Max Albert, 1902-1977
- Subject Bredig, Max Albert, 1902-1977
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Note written by Max Bredig regarding Paul Homburger's Letter, January 1941
- Undated
Max Bredig (1902-1977) copies an excerpt of a letter written by Paul Homburger, the brother-in-law of Max's sister, Marianne Homburger (1903-1987), from the Gurs concentration camp.
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2 items
Nalcometer Serial No. 1164
- Undated
Wooden box with metal instrument inside; instructions attached to top of box; instrument has a gauge and three turnable knobs; space along side has a power source and an electrode that is used for measuring; plaque on…
- Manufacturer National Aluminate Corporation
- Subject National Aluminate Corporation, Nalcometer
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2 items
Methyl Violet Dye Bottle
- Undated
Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over).
- Subject Dye industry, Textile industry, Dyes and dyeing
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2 items
Metal plaque depicting Wilhelm Ostwald
- Undated
Metal plaque of Wilhelm Ostwald (1853-1932) in a fabric-covered picture frame. Ostwald is shown in profile. On the back of the frame is a handwritten note.
Ostwald was a German chemist and philosopher. In 1909, he…
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Manual Variable Resistor Box
- Undated
Variable resistors are also known as potentiometers. Potentiometers are used to measure electromotive force (emf) by balancing it with a known emf. The concept was first developed in 1841 by J. C. Poggendorff and…
- Manufacturer Siemens & Halske
- Subject Variable Resistor, Potentiometer, Siemens & Halske
