General view of technicians inspecting an autoclave located in the Polymer Wing at a DuPont facility during the early stages of synthetic fiber production and research. The individuals visible in the photograph are…

General view of technicians inspecting the creel (a rack holding bobbins or spools for spinning) on a staple drawing machine used during the early stages of synthetic fiber production and research at DuPont. During the…

General view of a continuous denier meter used to measure the denier, or thickness, of filaments during the early stages of synthetic fiber production and research at DuPont. The spool of yarn to be measured is visible…

Detail view of a type of crimper used to crimp textile fibers during the early stages of synthetic fiber production and research at DuPont. Typically, fibers entered the machine via drive pulleys and were fed into a…

Detail view of a high-speed creel guide used during the early stages of synthetic fiber production and research at DuPont. "Creel" refers to a rack holding bobbins or spools for spinning. The photograph is labeled…

Two views of a measuring cell used during the early stages of synthetic fiber production and research at DuPont. Typically, such cells were placed in an electrolyte bath as part of a metered device used to measure the…

Three close-up views of tension measurements taken on various components of a drawing machine, including the draw, creel, and crimper, used during the early stages of nylon production and research at DuPont. The…

Close-up view of the pump block of a six-position spinner used during the early stages of synthetic fiber production and research at DuPont. During the production of nylon, melt from the spinning machine typically…

Two views of a six-position staple spinning unit used during the early stages of synthetic fiber production and research at DuPont. Various components of the spinning unit are visible in the photograph, including a pump…

Detail view of a trumpet and chamber for a 2.5-inch-wide roll crimper used to crimp textile fibers during the early stages of synthetic fiber production and research at DuPont. Typically, fibers entered a crimper…

Detail view of a wide-roll crimper chamber used to crimp textile fibers during the early stages of synthetic fiber production and research at DuPont. Typically, fibers entered a crimper machine via drive pulleys and…

General view of a yarn windup used during the early stages of synthetic fiber production and research at DuPont. The components of the windup are identified as follows: windup rolls (left); gear box (center); and…

General view of a monomer still used during the early stages of nylon production and research at DuPont. The photograph is labeled "Figure 2," indicating that it appeared in a report or publication.

General view of the component parts of a two-gear melt-pool booster pump used during the early stages of synthetic fiber production and research at DuPont. Typically, such booster pumps were used to feed a bubble-free…

General view of a continuous polymerizer salt holding tank used during the early stages of synthetic fiber production and research at DuPont.

Group photograph of DuPont shift supervisors and foremen responsible for the development of the "Type 9" textile at the DuPont plant in Martinsville, Virginia. Team supervisor Joseph X. Labovsky is seated on the far…

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…

Group photograph of staff from DuPont's nylon plant in Martinsville, Virginia. Supervisor C.P. White is visible in the front row, far left side. The rest of the individuals depicted in the photograph are unidentified.

Group photograph of DuPont shift supervisors and foremen at the nylon plant in Martinsville, Virginia. This photograph was taken on the occasion of team supervisor Joseph X. Labovsky receiving his 20-year service pin…

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…

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,"…