Search Results
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2 items
Experimental blast furnace on burden of phosphate
- 1930s
Two views of the experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.
The Fixed Nitrogen Research…
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3 items
Experimental blast furnace on burden of phosphate
- 1930s
Three views of the experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.
The Fixed Nitrogen Research…
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Experimental blast furnace at Fixed Nitrogen Research Laboratory plant
- 1930s
General view of an experimental blast furnace at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American University in…
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Portrait of George O. Curme, Jr. (1888-1976)
- 1930s – circa
Portrait of George O. Curme, Jr. (1888-1976), popularly known as the father of ethylene and for his pioneering work on applications for by-products of petroleum processing.
Born in Mount Vernon, Iowa on December 24,…
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Portrait of Thomas Midgley, Jr. (1889-1944)
- 1930s – circa
Portrait of Thomas Midgley, Jr. (1889-1944), an American engineer and chemist who discovered the effectiveness of tetraethyl lead as an antiknock additive for gasoline.
Thomas Midgley, Jr. was born on May 18, 1889 in…
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Portrait of George O. Curme, Jr. (1888-1976)
- 1930s – circa
Portrait of George O. Curme, Jr. (1888-1976), popularly known as the father of ethylene and for his pioneering work on applications for by-products of petroleum processing.
Born in Mount Vernon, Iowa on December 24,…
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Portrait of Joseph X. Labovsky (1912-2013)
- 1939
Portrait of DuPont chemist Joseph X. Labovsky (1912-2013), taken at the DuPont pilot plant in Seaford, Delaware during the early stages of nylon production and research.
Joseph X. Labovsky was born in Kiev, Ukraine on…
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Feeding nylon chips into five-position spinning machine
- 1938
Close-up view of DuPont employee Mike McCall feeding nylon chips into the hopper of a five-position spinning machine used at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production and…
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Steam chimney on five-position windup and spinning machine
- 1938
Close-up view of DuPont employee Richard L. Huber adjusting the steam chimney on a five-position windup and spinning machine at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production…
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Gas cylinder on five-position windup machine
- 1938
Close-up view of a DuPont employee adjusting a gas cylinder on a five-position windup machine at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production and research. The employee is…
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Gas cylinder on five-position windup machine
- 1938
Close-up view of a DuPont employee adjusting a gas cylinder on a five-position windup machine at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production and research. The employee is…
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Five-position windup at nylon pilot plant
- 1938-Jul-15
General view of a five-position windup machine located on the ground floor of the Spinning Room at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production and research.
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Spinning room at nylon pilot plant
- 1938-Jul-15
General view of the second floor of the Spinning Room during the early stages of nylon production and research at the DuPont pilot plant in Wilmington, Delaware. Visible on the left-hand side of the photograph are steam…
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Two-position vertical windup at DuPont Experimental Station
- 1938-Mar-08
General view of a two-position vertical windup machine used during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware.
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Violet Grenda inspecting nylon yarn at DuPont facility
- 1938
General view of Violet Grenda inspecting nylon yarn at an unidentified DuPont facility during the early stages of nylon production and research.
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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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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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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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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…
