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Start Over You searched for: Date 1946 Remove constraint Date: <span class="single" data-blrl-single="1946">1946</span>-
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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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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"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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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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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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2 items
Employees operating Stern Shredder at Hercules Hopewell plant
- 1940s
Two views of an unidentified employee adjusting the Stern Shredder machine at the Hercules Powder Company plant in Hopewell, Virginia. The shredder was used to process linter sheets of cellulosic fibrous materials, such…
- Creator Of Work Hercules Incorporated
- Photographer ACME
- Subject Employees, Chemical industry, Cotton, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee inspecting control switches at Hercules Hopewell plant
- 1940s
General view of an unidentified employee inspecting control switches at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, the control switches were explosion-proof, one…
- Creator Of Work Hercules Incorporated
- Photographer ACME
- Subject Employees, Chemical industry, Hercules Incorporated, Corporations, Machinery
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Employee inspecting hydrochloride rotary furnace at Hercules Hopewell plant
- 1940s
General view of an unidentified employee inspecting the Hydrochloride Rotary System at the Hercules Powder Company plant in Hopewell, Virginia. The system was likely used during the production of so-called "chemical…
- Creator Of Work Hercules Incorporated
- Photographer ACME
- Subject Employees, Chemical industry, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee inspecting solvent recovery system at Hercules Hopewell plant
- 1940s
General view of an unidentified employee inspecting the control board for a Solvent Recovery system at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, the system was…
- Creator Of Work Hercules Incorporated
- Photographer ACME
- Subject Employees, Chemical industry, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee examining control panel at Hercules Hopewell plant
- 1940s
General view of an unidentified employee examining a control panel used in the production of ethyl cellulose at the Hercules Powder Company plant in Hopewell, Virginia. Ethyl cellulose manufactured by the Hercules…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Ethylcellulose, Scientific apparatus and instruments, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee examining control panel at Hercules Hopewell plant
- 1940s
General view of an unidentified employee examining a control panel used in the production of ethyl cellulose at the Hercules Powder Company plant in Hopewell, Virginia. Ethyl cellulose manufactured by the Hercules…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Employees, Chemical industry, Ethylcellulose, Scientific apparatus and instruments, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee working with ethyl cellulose at Hercules Hopewell plant
- 1940s
Close-up view of an unidentified employee removing a sample of ethyl cellulose from a machine at the Hercules Powder Company plant in Hopewell, Virginia. Per notations accompanying the photograph, the sampling was one…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Ethylcellulose, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee at work in Hercules Ethyl Cellulose plant
- 1940s
Close-up view of an unidentified employee transferring ethyl cellulose to a storage bin at the Hercules Powder Company's Ethyl Cellulose plant in Hopewell, Virginia. Ethyl cellulose manufactured by the Hercules Powder…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Ethylcellulose, Hercules Incorporated, Corporations, Cellulose, Machinery
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Caustic soda weigh-tanks at Hercules Hopewell plant
- 1940s
General view of weigh-tanks for caustic soda and ethyl cellulose at the Hercules Powder Company's Ethyl Cellulose plant in Hopewell, Virginia. Per notations accompanying the photograph, caustic soda and ethyl cellulose…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Employees, Chemical industry, Scales (Weighing instruments), Ethylcellulose, Scientific apparatus and instruments, Hercules Incorporated, Corporations, Cellulose, Machinery
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Interior view of Hercules Hopewell plant
- 1940s
General view of the interior of a portion of the Hercules Powder Company plant facilities in Hopewell, Virginia, with view of assorted industrial apparatus and machinery and several unidentified employees. The Hopewell…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Scientific apparatus and instruments, Hercules Incorporated, Corporations, Cellulose, Machinery
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Employee inspecting treating tubs at Hercules Hopewell plant
- 1940s
General view of an unidentified female employee inspecting a treating tub used to purify ethyl cellulose at the Hercules Powder Company plant in Hopewell, Virginia. The Hopewell plant commonly produced ethyl cellulose,…
- Creator Of Work Hercules Incorporated
- Photographer ACME
- Subject Employees, Chemical industry, Hercules Incorporated, Corporations, Cellulose, Women employees, Machinery
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Employee cutting powder strands at Radford Ordnance Works
- After 1940 – before 1946
General view of an unidentified female employee cutting strands of .50 caliber powder extruded from a press to the proper length at the Radford Ordnance Works in Radford, Virginia. The Radford Ordnance Works was…
- Creator Of Work Hercules Incorporated
- Subject Explosives, Military, Employees, Hercules Incorporated, World War (1939-1945), Explosives, Women employees, Machinery
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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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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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2 items
Oil-Immersion Microscope
- Circa 1946
A: Microscope
Ernst Leitz oil-immersion microscope; instrument rests on wishbone-shaped base with a single beam extending from the center before splitting into two sections: an arm supporting the telescope and…- Manufacturer Ernst Leitz (Firm)
- Subject Microscopes, Ernst Leitz (Firm)
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5 items
Bausch & Lomb Duboscq Type Colorimeter
- 1940s
A: Cast iron base attached to a sloping cast iron upright supporting the reader, prisms, sample cups, plungers, and a mechanism for raising and lowering the sample cups; two metal knobs control the height of the sample…
- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Colorimetry--Instruments, Colorimetry
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2 items
Hot relaxing plates on drawing machine
- 1946-Mar-01
Two views of 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 was electric-heated and the…
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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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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…