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Start Over You searched for: Date 1940 to 1949 Remove constraint Date: <span class="from" data-blrl-begin="1940">1940</span> to <span class="to" data-blrl-end="1949">1949</span>-
Machine shop at Hercules Port Ewen plant
- 1945-Oct
General view of the machine shop at the Hercules Powder Company plant in Port Ewen, New York, showing employees at work on a variety of machines, including planers, milling machines, and lathes. Formed in 1912 as part…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Hercules Incorporated, Corporations, Machinery
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2 items
Oil-Immersion Microscope
- Circa 1946
A: Microscope
Ernst Leitz oil-immersion microscope; instrument rests on wishbone-shaped base with a single beam extending from the center before splitting into two sections: an arm supporting the telescope and…- Manufacturer Ernst Leitz (Firm)
- Subject Microscopes, Ernst Leitz (Firm)
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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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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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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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2 items
Hot relaxing plates on drawing machine
- 1946-Mar-01
Two views of 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 was electric-heated and the…
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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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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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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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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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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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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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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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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
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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Cary Model 11MS Recording Spectrophotometer
- 1947 (Introduced)
- Manufacturer Applied Physics Corporation
- Subject Varian, Inc., Spectrophotometer, Applied Physics Corporation
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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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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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Ford Bowers printing photographs in Dow Photographic Laboratory
- 1947-Jan-13
General view of senior photo technician Ford Bowers printing photographs in the Dow Chemical Company's Photographic Laboratory. Established in the 1930's, the Photo Lab took pictures for employee publications like The…
- Creator Of Work Dow Chemical Company
- Subject Printers, Employees, Photography--Printing processes, Photography, Dow Chemical Company, Photographers, Machinery, Bowers, Ford
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Russ Johnson operating photostat machine in Dow Photographic Laboratory
- 1947-Jan-13
General view of photo technician Russ Johnson operating a photostat machine in the Dow Chemical Company's Photographic Laboratory. Acquired from the Engineering Department, the photostat machine was used to reproduce a…
- Creator Of Work Dow Chemical Company
- Subject Employees, Photography, Dow Chemical Company, Photographers, Photography--Equipment and supplies, Machinery, Johnson, Russ
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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…