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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>-
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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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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International Fertilizer Distributor machine
- 1944-Jul-14
General view of an International Fertilizer Distributor (No. 49 Machine) in use at the U.S. Department of Agriculture's Plant Industry Station facility in Beltsville, Maryland. This machine was used to determine the…
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Double flask for demonstrating anaerobic fermentation
- 1939 – 1967 (Date span attributed to photograph)
Photograph of a double flask used by French biologist, microbiologist, and chemist Louis Pasteur (1822-1895) to demonstrate anaerobic fermentation, as displayed at the Pasteur Institute in Paris. Per notations…
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Precision Condenser Type 722-N
- After 1944
Wooden box with no lid; black painted metal instrument panel on top; engraved writing on top left corner; two metal knobs projecting from panel on upper right side most likely for running electrical current;…
- Manufacturer General Radio Company
- Subject Capacitors, General Radio Company
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Engineers calendering experimental stocks of rubber
- Circa 1949
View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…
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Dynamic Test Laboratory at the Naval Air Experimental Station
- Circa 1949
General view of the Dynamic Test Laboratory at the Naval Air Experimental Station showing forced vibration machines and other equipment used to test rubber articles produced at the Station under simulated service…
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Mogul Mixer for sealants and adhesives
- Circa 1949
General view of the Mogul Experimental Mixer used in the Naval Air Experimental Station's Sealants and Adhesives Laboratory. Equipped with "Z" type agitators and a tilting chamber fitted with a removable,…
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Goodrich Flexometer
- Circa 1949
General view of the Goodrich Flexometer used in the Naval Air Experimental Station's Dynamic Test Laboratory. The flexometer was used to determine the heat build-up and hysteresis characteristics of rubber specimens…
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Oxygen and Air Aging Bomb
- Circa 1949
General view of the Emerson Oxygen Aging apparatus, with two bombs, housed in the Naval Air Experimental Station's Oven and Accelerated Aging Room. Located inside a shelter within the aging room, this apparatus and…
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Weathering Room
- Circa 1949
General view of the Weathering Room at the Naval Air Experimental Station. Visible in the photograph is an Atlas Fade-o-meter and several accelerated weathering units used to evaluate the effects of stimulated service…
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Electronically controlled constant rate of load tensile machine
- Circa 1949
General view of an electronically-controlled constant rate of load tensile machine used in the Naval Air Experimental Station's Physical Properties Laboratory. Tensile machines are commonly used to subject materials…
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Physical Properties Laboratory
- Circa 1949
General view of the Physical Properties Laboratory at the Naval Air Experimental Station showing assorted equipment used for the evaluation of rubber and rubber-like materials. Machinery and apparatus used in the…
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Latex and Chemical Laboratory
- Circa 1949
General view of the Latex and Chemical Laboratory at the Naval Air Experimental Station. An assortment of laboratory glassware, apparatus, and instruments used for various phases of experimental and developmental work…
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Latex mixers and stirrers
- Circa 1949
Assorted latex mixers and stirrers used in the Naval Air Experimental Station's Latex and Chemical Laboratory to mechanically froth, foam, and mix latex. The machines depicted in the photograph are identified as follows…
- Creator Of Work Naval Air Experimental Station, United States. Navy
- Subject Scientific apparatus and instruments, Latex, Machinery
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Unloading of tensile sheet from mold
- Circa 1949
View of a worker removing a tensile sheet from a mold used in the hydraulic press at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The hydraulic press is a 200-ton capacity…
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Closing operation on hydraulic press
- Circa 1949
View of a worker closing the hydraulic press in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This unit is a 200-ton capacity Williams-White Moline machine equipped with three…
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Hydraulic Press in the Rubber Compounding and Processing Laboratory
- Circa 1949
General view of the hydraulic press in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This unit is a 200-ton capacity Williams-White Moline machine equipped with three 24" x 24"…
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Steam Vulcanizer in the Rubber Compounding and Processing Laboratory
- Circa 1949
General view of the Steam Vulcanizer in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. Also known as an autoclave, the vulcanizer was use to cure, i.e. toughen or harden polymer…
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Calender sheeting operation
- Circa 1949
View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…
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Extrusion of a half-inch diameter hose on tuber
- Circa 1949
View of a worker holding a piece of rubber tubing as it is extruded from the tuber machine in the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. This tuber, a variable speed H.P. Royle…
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Dumping of mixed stock from Banbury Mixer
- Circa 1949
View of a worker dumping mixed rubber stock from the Banbury Mixer at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mixer was used to break down and mix rubber…