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Continuous polymerizer at DuPont facility
- 1947-Jan-07
General view of component parts, including a holding tank, flash tube, spinner, and finisher, of a continuous polymerizer used during the early stages of synthetic fiber production and research at DuPont.
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Continuous polymerizer at DuPont facility
- 1947-Jan-07
General view of component parts, including a holding tank, flash tube, condenser, and finisher, of a continuous polymerizer used during the early stages of synthetic fiber production and research at DuPont. The…
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Assorted machinery for production of melt
- 1947-Jan-07
General view of assorted machinery, including a holding tank, evaporator, and auxiliary steam boiler, used for batch wise production and storage of low dew point melt during the early stages of synthetic fiber…
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2 items
Two-position tire cord machine
- 1946-Nov-27
Two views of a two-position tire cord machine used during the early stages of synthetic fiber production and research at DuPont. The hot pin and hot plate tandem apparatus used to draw various fibers is visible in both…
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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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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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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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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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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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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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Spinneret and pack equipment for nylon
- 1946-Mar-31
General view of a spinneret (front row, second from left) and assorted pack equipment, including a filter screen and gasket, used during the early stages of nylon production and research at DuPont. During production, a…
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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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Group photograph of Martinsville technical staff
- 1940
Group photograph of technical staff working at the DuPont nylon plant in Martinsville, Virginia. An identification key accompanies the photograph.
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Joseph X. Labovsky and staff at nylon plant in Martinsville, Virginia
- 1954-Dec-10
Group photograph of staff responsible for the development and manufacture of the "Type 9" textile at the DuPont plant in Martinsville, Virginia. Team supervisor Joseph X. Labovsky is seated at the center of the…
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Caroline Cooper and staff at nylon plant in Martinsville, Virginia
- 1950s
Group photograph of staff from DuPont's nylon plant in Martinsville, Virginia. Caroline Cooper, the first forewoman promoted to shift supervisor, is visible in the front row, fourth from right. The rest of the…