Search Results
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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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Booster pump shaft
- 1946-Nov-11
Two views of a booster pump shaft used during the early stages of synthetic fiber production and research at DuPont. In the top image, an accumulation of polymer is visible on the shaft, while agitators are wrapped…
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Portrait of Rosalyn Sussman Yalow (1921-2011)
- Circa 1977
Portrait of Rosalyn Sussman Yalow (1921-2011), an American medical physicist and co-recipient of the 1977 Nobel Prize in Physiology or Medicine for the development of the radioimmunoassay (RIA) technique.
Rosalind…
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Portrait of William M. Rand (1886-1981)
- Circa 1943
Portrait of William M. Rand (1886-1981), President of the Monsanto Chemical Company from 1945 to 1951.
William M. Rand was born on April 7th, 1886 in Watertown, Massachusetts and attended Chauncy Hall and Philip Exeter…
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Portrait of William M. Rand (1886-1981)
- Circa 1945
Portrait of William M. Rand (1886-1981), President of the Monsanto Chemical Company from 1945 to 1951.
William M. Rand was born on April 7th, 1886 in Watertown, Massachusetts and attended Chauncy Hall and Philip Exeter…
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Portrait of James A. Rafferty (1886-1951)
- 1940s – circa
Portrait of James A. Rafferty (1886-1951). Rafferty was born in Chicago, Illinois on May 4th, 1886 and studied engineering and chemistry at the Lewis Institute of Technology. Following his graduation from Lewis in 1908,…
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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 Samuel Cox Hooker (1865-1935)
- 1920s – circa
Portrait of Samuel Cox Hooker (1865-1935). Hooker was born on April 19, 1865, in Benchley, Kent, England and studied at the Government Science School in South Kensington, London. Hooker earned his PhD from the…
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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 Charles Frederick Chandler (1836-1925)
- Circa 1900
Portrait of Charles Frederick Chandler (1836-1925), an industrial chemist whose research concerning sugar refining, gas manufacturing, and chemical education greatly impacted public sanitation and health.
Charles…
- Manufacturer Alman & Co.
- Subject Public health, Chandler, Charles Frederick, 1836-1925, Chemists, Portraits, Sanitation
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Electric immersion heater
- 1946-Nov-11
Close-up view of an electric immersion heater used during the early stages of synthetic fiber production and research at DuPont. The photographs is captioned "Figure 3," indicating that it appeared in a report or…
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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
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Assorted apparatus used for the production of nylon
- 1946-Aug-09
Assorted apparatus and component parts, including a magnetic switch, mercury plunger, and rupture diaphragm, used during the early stages of nylon production and research at DuPont.
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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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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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Spinneret and pack equipment for nylon
- 1946-Mar-31
General view of a spinneret (front row, second from left) and assorted pack equipment, including a filter screen and gasket, used during the early stages of nylon production and research at DuPont. During production, a…
