Search Results
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Steam-spinning apparatus
- 1946-Nov-11
Detail view of a steam-spinning apparatus with central booster pump on a Type-8 spinning machine used during the early stages of synthetic fiber production and research at DuPont. The photograph is captioned "Figure…
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2 items
Steam and electric-heated spinning grids
- 1946-Nov-11
Two close-up views of an electric-heated grid and steam-spinning grid and block assembly used during the early stages of synthetic fiber production and research at DuPont. The photographs are captioned "Figure 1" and…
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Electric immersion heater
- 1946-Nov-11
Close-up view of an electric immersion heater used during the early stages of synthetic fiber production and research at DuPont. The photographs is captioned "Figure 3," indicating that it appeared in a report or…
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Booster pump shaft
- 1946-Nov-11
Two views of a booster pump shaft used during the early stages of synthetic fiber production and research at DuPont. In the top image, an accumulation of polymer is visible on the shaft, while agitators are wrapped…
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3 items
Company's Views Concerning the Union
- 1946-Oct
In a series of one page messages to the employees of National Technical Laboratories, Arnold Beckman laid out a case against unionization.
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5 items
Association of New York Scientists newsletter, October 1946
- 1946-Oct
- Creator Of Work Association of New York Scientists
- Subject Association of New York Scientists, Newsletters
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Letter from H. G. Ollendorff, Inc. to Max Bredig, October 29, 1946
- 1946-Oct-29
A letter from shipping company H. G. Ollendorff Inc., to Max Bredig (1902-1977) providing information on the condition of Bredig's shipment as well as an invoice.
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Tandem hot-pin hot-plate draw system
- 1946-Oct-25
Close-up view of a tandem hot-pin hot-plate draw system used at DuPont during the early stages of synthetic fiber production and research. The photograph has been marked with several hand-drawn lines to depict the…
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Beckman Model H pH meter schematic wiring diagram
- 1946-Oct-17
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 acidity of his product. The resulting instrument kicked off…
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Beckman Model H pH meter pictorial wiring diagram
- 1946-Oct-16
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 acidity of his product. The resulting instrument kicked off…
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Roll crimper for synthetic fibers
- 1946-Sep
General view of a roll crimper used to crimp textile fibers during the early stages of synthetic fiber production and research at DuPont. As visible in this photograph, fibers entered the machine via drive pulleys and…
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Roll crimper and puller for synthetic fibers
- 1946-Sep
General view of a roll crimper and puller used at DuPont during the early stages of synthetic fiber production and research. Typically, such machinery was used to stretch, strengthen, and crimp textile fibers.
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Coiler mechanism for synthetic fibers
- 1946-Sep
General view of a coiler mechanism used at DuPont during the early stages of synthetic fiber production and research. Typically, this type of apparatus was used to coil tow, an untwisted bundle of continuous filaments,…
- Subject Nylon, E.I. du Pont de Nemours & Company, Machinery
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Coiler head assembly for synthetic fibers
- 1946-Sep
Detail view of a coiler head assembly mechanism used at DuPont during the early stages of synthetic fiber production and research. Typically, this type of apparatus was used to coil tow, an untwisted bundle of…
- Subject Nylon, E.I. du Pont de Nemours & Company, Machinery
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50-pound autoclave used for production of polymers
- 1946-Sep
General view of a 50-pound autoclave first used for the production of "Fiber V," later branded as Dacron polyester fiber, at a DuPont semiworks facility. During production, a partially-evaporated salt solution was fed…
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History of the Institute for Physical Chemistry at the Karlsruhe Institute of Technology, September 1946
- 1946-Sep-19
This article describes the history of the Institute for Physical Chemistry at the Karlsruhe Institute Technology, where Georg Bredig (1868-1944) was a professor from 1911 until his forced retirement in 1933.
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Letter from H. G. Ollendorff, Inc. to Max Bredig, August 14, 1946
- 1946-Aug-14
H. G. Ollendorff, Inc., an international shipping company, informs Max Bredig (1902-1977) that his shipment will be sent from Holland. Bredig will be billed for additional storage costs.
- Addressee Bredig, Max Albert, 1902-1977
- Author Ucko, Arno
- Contributor Ollendorff, H. G. (Hans Gerhard), 1907-1996
- Subject Ollendorff, H. G. (Hans Gerhard), 1907-1996, Bredig, Max Albert, 1902-1977, Shipping
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Assorted apparatus used for the production of nylon
- 1946-Aug-09
Assorted apparatus and component parts, including a magnetic switch, mercury plunger, and rupture diaphragm, used during the early stages of nylon production and research at DuPont.
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Letter from H. G. Ollendorff, Inc. to Max Bredig, August 1, 1946
- 1946-Aug-01
H. G. Ollendorff, Inc., an international shipping company, informs Max Bredig (1902-1977) that his shipment will arrive in New York on September 1st.
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Letter from Max Bredig to Federico Schnell, July 20, 1946
- 1946-Jul-20
Max Albert Bredig (1902-1977) writes to Fritz (Federico) Schnell. Bredig updates Fritz about his job and his personal life. Bredig mentions that he has been offered positions outside of New York and discusses the pros…
- Author Bredig, Max Albert, 1902-1977
- Addressee Schnell, Federico
- Subject Bredig, Max Albert, 1902-1977, Schnell, Federico, Chemists, Laboratories
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Letter of condolence from Ilse J. Ursell to Max Bredig
- 1946-Jul-19
Letter of condolence regarding the death of Georg Bredig (1868-1944) from Ilse J. Ursell to Max Albert Bredig (1902-1977). Ursell worked at the Society for the Protection of Science and Learning, formally known as the…
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On the Wings of...Magnesium!
- 1946-Jul-08
Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction a hand lifting a winged ingot of Dowmetal magnesium through an array…
- Creator Of Work Dow Chemical Company
- Subject Dow Chemical Company, Chemical industry, Corporations, Advertising, Advertising, Industrial, Magnesium, Magnesium alloys, Magnesium industry and trade
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Letter from Max Bredig to Ilse J. Ursell, July 5, 1946
- 1946-Jul-05
Max Bredig (1902-1977) informs Ilse J. Ursell from the Society for the Protection of Science and Learning, that his father, Georg Bredig (1868-1944) was able to immigrate to the United States. Max Bredig thanks Ursell…
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Letter from Max Bredig to Ilse J. Ursell, July 5, 1946
- 1946-Jul-05
Max Bredig (1902-1977) responds to the secretary for the Society for the Protection of Science and Learning, Ilse J. Ursell. Bredig expresses his gratitude for the interest the Society has taken in his late father,…