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Rod spinner arranged for production of bristles
- 1937-Mar-23
General view of a rod spinner arranged for the production of bristles during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a cylindrical…
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694 items
Le diverse et artificiose machine del capitano Agostino Ramelli
- The Various and Ingenious Machines of Captain Agostino Ramelli
- 1588
Le diverse et artificiose machine belongs to a new genre that emerged in the late 16th century, the "theatre of machines," which offered original mechanical solutions to the problems of everyday life. Ramelli's book…
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Continuous denier meter used in production of synthetic fibers
- 1947-Mar
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…
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2 items
Measuring cell used in production of synthetic fibers
- 1947-Mar
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…
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Yarn windup for production of synthetic fibers
- 1947-Mar
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…
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2 items
Six-position staple spinning unit
- 1947-Mar
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…
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Pump block for six-position spinner
- 1947-Mar
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…
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High-speed creel guide
- 1947-Mar
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…
- Subject Nylon, E.I. du Pont de Nemours & Company, Machinery
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Detail view of crimper used for production of nylon
- 1947-Mar
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…
- Subject Nylon, E.I. du Pont de Nemours & Company, Machinery
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3 items
Measuring tension on drawing machine used for production of nylon
- 1947-Mar
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…
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Inspecting feed to spinning machine at nylon pilot plant
- 1947-Feb
General view of technicians inspecting the feed to the two-position spinning machine used at the DuPont plant in Seaford, Delaware during the early stages of nylon production and research. The two cylindrical hoppers…
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Inspection of autoclave at DuPont facility
- 1947-Feb
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…
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Inspection of staple drawing machine at DuPont facility
- 1947-Feb
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…
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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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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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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