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Start Over You searched for: Date 1946 Remove constraint Date: <span class="single" data-blrl-single="1946">1946</span>-
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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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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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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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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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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2 items
Staple crimpers for synthetic fibers
- 1946-Mar-31
Two views of staple crimpers used at DuPont during the early stages of synthetic fiber production and research. During production, a tow (an untwisted bundle of continuous filaments) was fed between two serrated rolls…
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Continuous shaft drawtwister for nylon
- 1946-Jun
Close-up view of a continuous shaft drawtwister used during the early stages of nylon production and research at DuPont. As part of the cold-drawing process, drawtwisters were used to stretch the nylon filaments…
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Hot relaxing plates on drawing machine
- 1946-Feb-46
Close-up view of two hot relaxing plates on a drawing machine used at the DuPont plant in Seaford, Delaware during the early stages of synthetic fiber production and research. The plate on the left, labelled "Electric,"…
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Modified feed brake assembly on nylon staple cutter
- 1946-Feb
Close-up view of the modified feed brake assembly on a nylon staple cutter used at the DuPont plant in Seaford, Delaware during the early stages of nylon production and research.
- Subject Nylon, E.I. du Pont de Nemours & Company, Machinery
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Wrap scraper blade on nylon drawing machine
- 1946-Feb
Close-up view of the wrap scraper blade on a drawing machine used at the DuPont plant in Seaford, Delaware during the early stages of nylon production and research.
- Subject Nylon, Polymers, E.I. du Pont de Nemours & Company, Machinery
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3 items
Nylon drawing machine and creel at Seaford plant
- 1946-Feb
- 1946-Mar-31
Three views of a nylon drawing machine and creel (a rack holding bobbins or spools for spinning) used at the DuPont plant in Seaford, Delaware during the early stages of nylon production and research.
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Double flask for demonstrating anaerobic fermentation
- 1939 – 1967 (Date span attributed to photograph)
Photograph of a double flask used by French biologist, microbiologist, and chemist Louis Pasteur (1822-1895) to demonstrate anaerobic fermentation, as displayed at the Pasteur Institute in Paris. Per notations…