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Start Over You searched for: Date 1930 to 1939 Remove constraint Date: <span class="from" data-blrl-begin="1930">1930</span> to <span class="to" data-blrl-end="1939">1939</span>-
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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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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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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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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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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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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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…