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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>-
Cliffs Dow plant in Marquette, Michigan
- After 1934 – before 1970
General view of a section of the interior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…
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Cliffs Dow plant in Marquette, Michigan
- After 1934 – before 1970
General view of a section of the interior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…
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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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Manual breast pump with black bulb
- After 1920 – before 1959
Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round black rubber pump attached to one end of the glass.
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"Omega" manual breast reliever with red bulb
- After 1920 – before 1959
Glass tube with a collecting reservoir that opens into a funnel (or breast piece). Round red rubber bulb attached to one end of the glass. Stamp in black ink on red bulb reads "Ingram's/'Omega'/London."
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Hand-crank Centrifuge, Babcock Milk Tester
- After 1900 – before 1950
A metal, hand-crank centrifuge with a three-pronged metal base. The base is painted a rusty red color and has been attached to a wooden board for stability. A long metal crank on the side of the base bends at a…
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28 items
Chemical Supplies Apparatus Chemicals Books
- After 1930 – before 1950
A catalog of chemical supplies and laboratory apparatus manufactured by the Reading Scientific Company. Contains a number of print illustrations depicting the company's products. The advertised supplies range from…
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Wood storage at Cliffs Dow sawmill in Marquette, Michigan
- 1949
General view of a section of the wood storage at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. The employee visible in the photograph is unidentified.
Seeking a source of raw…
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Wood storage at Cliffs Dow sawmill in Marquette, Michigan
- 1949
General view of an unidentified employee standing on top of a pile of logs at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. An Insley Excavator is visible on the left-hand side of…
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Wood storage at Cliffs Dow sawmill in Marquette, Michigan
- 1949
General view of an unidentified employee standing on top of a pile of logs at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. An Insley Excavator is visible on the right-hand side of…
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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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2 items
Vertical retort and wood loading conveyor
- 1949
Two views of the vertical retort and wood loading conveyor at the Cliffs Dow wood sawmill and distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the…
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Vertical retort and wood loading conveyor
- 1949
General view of the vertical retort and wood loading conveyor at the Cliffs Dow sawmill and wood distillation plant located in Marquette, Michigan. Providing a sense of scale, two unidentified employees are visible in…
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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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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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Sawmill at Cliffs Dow plant in Marquette, Michigan
- 1949
Elevated view of the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan taken from the perspective of the vertical retort, with view of wood storage in background. Seeking a source of raw…
- Creator Of Work Dow Chemical Company
- Subject Wood distillation, Industries, Dow Chemical Company, Cleveland-Cliffs Iron Company, Sawmills, Machinery
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Sawmill at Cliffs Dow plant in Marquette, Michigan
- 1949
General view of an unidentified employee loading logs into a machine in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic,…
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Rubber Compounding and Processing Laboratory
- Circa 1949
General view of the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station's Aeronautical Materials Laboratory. Two workers and an assortment of machinery and scientific apparatus, including…
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Rubber Compounding and Processing Laboratory
- Circa 1949
General view of the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station's Aeronautical Materials Laboratory. Two workers and an assortment of machinery and scientific apparatus, including…
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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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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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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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Mixing Mill at the Rubber Compounding and Processing Laboratory
- Circa 1949
View of the mixing mill used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mill is an Adamson 6" by 16" two-roll machine powered by a 7 1/2 H.P. motor with chain drive.…
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Lumetron Photoelectric Colorimeter Model 400-A
- 1940s
Electric-powered meter with instructions housed in wooden box. Movable components within box: two (2) slide glass filters (1 with red, green, and blue slides; 1 with orange, green, and blue slides); one (1) encasing to…
- Manufacturer Photovolt Corporation
- Subject Colorimetry--Instruments, Photovolt Corporation
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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