Search Results
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Gear crimping machine at DuPont Experimental Station
- 1938-May-18
Close-up view of a gear crimping machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. This machine was likely used for the testing and…
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Fiber W crimping machine and relaxer
- 1937 – 1938
General view of Fiber W crimping machine and relaxer used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. Fiber W was a wool-like version of nylon…
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Detail view of glass spinning cell
- 1937-Mar-25
Detail view of a glass spinning cell used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. In this design, the nylon polymer was melted in the glass…
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Glass spinning cell at DuPont Experimental Station
- 1937-Mar-25
General view of a glass spinning cell used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. In this design, the nylon polymer was melted in the glass…
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Melt viscometer at DuPont Experimental Station
- 1938-Aug-24
General view of a melt viscometer used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. This machine was used to measure the melt viscosity and…
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Oxygen analyzer at DuPont Experimental Station
- 1938-Aug-28
General view of an oxygen analyzer used to measure the contents of purified nitrogen during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. To protect hot…
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Floor plan of DuPont nylon pilot plant
- 1938-Jan-11
Hand-drawn floor plan of DuPont nylon pilot plant. DuPont operated pilot plants in both Wilmington and Seaford, Delaware, but it is unknown which pilot plant this diagram depicts.
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Detail view of draw pin string-up arrangement at nylon pilot plant
- Circa 1938
Two detail views of the BJ-4 Drawtwister used during the early stages of nylon production and research at the DuPont pilot plant in Wilmington, Delaware showing the relocation of the draw pin string-up. The photographs…
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Detail view of BJ-4 Drawtwister at nylon pilot plant
- 1938-Jul-15
Detail view of the BJ-4 Drawtwister used during the early stages of nylon production and research at the DuPont pilot plant in Wilmington, Delaware. As part of the cold-drawing process, drawtwisters were used to stretch…
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BJ-4 Drawtwister at nylon pilot plant
- 1938-Jul-15
General view of the BJ-4 Drawtwister used during the early stages of nylon production and research at the DuPont pilot plant in Wilmington, Delaware. As part of the cold-drawing process, drawtwisters were used to…
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250-pound autoclave and casting equipment
- 1937-Nov-08
General view of a 250-pound autoclave and polymer casting equipment used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a…
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DuPont technicians casting polymer from 250-pound autoclave
- Circa 1938
View of DuPont technicians casting polymer from a 250-pound autoclave during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a…
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50-pound autoclave and casting equipment
- 1937-Mar-26
Close-up view of a 50-pound autoclave and polymer casting equipment used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a…
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50-pound autoclave and casting equipment
- 1937-Feb-12
General view of a 50-pound autoclave and polymer casting equipment used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a…
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2 items
C.F. Wells casting polymer from 250-pound autoclave
- Circa 1938
Two views of C.F. Wells casting polymer from a 250-pound autoclave during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a…
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Casting polymer from 250-pound autoclave
- Circa 1938
View of two DuPont technicians casting polymer from a 250-pound autoclave during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a…
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Top of 250-pound autoclave
- 1937-Nov-08
General view of the top of a 250-pound autoclave used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a partially-evaporated nylon…
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Fourth spinning machine and chain traverse windup
- 1937-Nov-05
General view of the fourth spinning machine and chain traverse windup used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. Per the recollections of…
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Third continuous spinning machine with side-flow chimney and diminishing traverse
- 1937-Jun-01
Close-up view of the third continuous spinning machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware, with a view of the side-flow chimney and…
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Second continuous spinning machine
- 1936-Oct-02
Close-up view of the second continuous spinning machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. This machine notably included a swing-arm…
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Second continuous spinning machine
- 1937-Feb-03
General view of the second continuous spinning machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. This machine notably included a swing-arm…
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Third continuous spinning machine
- 1937-May-14
General view of the third continuous spinning machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. This machine became the prototype for the…
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First continuous spinning machine
- 1936-Apr-01
General view of the first continuous spinning machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. This machine notably included a high-speed…
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Upper level of nylon 66 salt kettle
- 1937-Mar-26
General view of the upper level of the salt kettle used in the production of nylon 66 during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During the…
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First drawing machine at DuPont Buffalo plant
- 1937-Nov-05
General view of the first drawing machine used at DuPont's Buffalo plant during the early stages of nylon production and research. In this technique, which generally was unsuccessful, undrawn yarn was pre-twisted by the…
- Subject Nylon, E.I. du Pont de Nemours & Company, Machinery
