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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>-
J.P. Deran working with molded cellulose materials at Hercules Parlin plant
- 1949-Jan
General view of operator J.P. Deran removing injection molded cellulose materials from a 4-ounce Reed Prentice molding apparatus at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Plastics--Molding, Employees, Chemical industry, Research, Industrial, Hercules Incorporated, Corporations, Injection molding of plastics, Machinery, Cellulose, Deran, J.P.
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Take-off jig at Hercules Parlin plant
- 1949-Jan
Close-up view of the take-off jig used to control extruded shapes on a National Rubber 2-inch extruder in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The employee visible in the…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Chemical industry, Extrusion process, Hercules Incorporated, Corporations, Cellulose, Machinery, Ethylcellulose
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Employee using extruder at Hercules Parlin plant
- 1949-Jan
Close-up view of an unidentified employee pouring raw material into the hopper of an extruder in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The material is subsequently extruded…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Employees, Chemical industry, Extrusion process, Hercules Incorporated, Corporations, Cellulose, Machinery
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L.F. Strugala using two-roll mill at Hercules Parlin plant
- 1949-Jan
Close-up view of operator L.F. Strugala using a two-roll mill in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the photograph, the two-roll mill was used…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Employees, Chemical industry, Research, Industrial, Hercules Incorporated, Corporations, Cellulose, Machinery, Strugala, L.F.
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Extruder in use at Hercules Parlin plant
- 1949-Jan
Close-up view of the take-off jig used to control extruded shapes on a National Rubber 2-inch extruder in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The employee visible in the…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Employees, Chemical industry, Extrusion process, Hercules Incorporated, Corporations, Cellulose, Machinery, Ethylcellulose
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J.P. Drew operating milling cutter at Hercules Parlin plant
- 1949-Jan
Close-up view of J.P. Drew operating a milling cutter used in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the photograph, the cutter was used to cut…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Plastics, Employees, Chemical industry, Research, Industrial, Hercules Incorporated, Corporations, Cellulose, Machinery, Plastics--Testing, Drew, J.P.
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L.F. Strugala using two-roll mill at Hercules Parlin plant
- 1949-Jan
Close-up view of operator L.F. Strugala using a two-roll mill in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the photograph, the two-roll mill was used…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Employees, Chemical industry, Research, Industrial, Hercules Incorporated, Corporations, Cellulose, Machinery, Strugala, L.F.
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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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Cary Model 11MS Recording Spectrophotometer
- 1947 (Introduced)
- Manufacturer Applied Physics Corporation
- Subject Varian, Inc., Spectrophotometer, Applied Physics Corporation
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Chemical analysis at Dow Chemical Company laboratory
- 1944
General view of laboratory technicians analyzing assorted materials in a Dow Chemical Company laboratory. Per notations accompanying the photograph, Bill Herrick (left) is analyzing calcium chloride, which was used for…
- Creator Of Work Dow Chemical Company
- Subject Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Glassware, Laboratories
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Leo Ruhnau conducting acid analysis in Dow Chemical Company laboratory
- 1944
General view of technician Leo Ruhnau using an apparatus to determine the percentage of hydrochloric acid in Dowell acids at a Dow Chemical Company laboratory.
- Creator Of Work Dow Chemical Company
- Subject Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Glassware, Laboratories, Ruhnau, Leo
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Marguerite Tenhunen and Dorothy Ferris testing experimental alloys in Dow Chemical Company laboratory
- 1944
General view of technicians Marguerite Tenhunen (left) and Dorothy Ferris (right) using assorted apparatus in a Dow Chemical Company laboratory to determine the quantity of zinc present in experimental alloys.
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Charge and Press machine at Hercules Port Ewen plant
- 1945-Mar
Close-up view of the Charge and Press machine used to fill shells with an explosives charge the Hercules Powder Company plant in Port Ewen, New York. After the charge was pressed into the bottom of the shells, the…
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Jim Kennedy operating press machine at Hercules Port Ewen plant
- 1945-Mar
General view of employee Jim Kennedy operating a press machine used to fill electric blasting caps with an explosive charge at the Hercules Powder Company plant in Port Ewen, New York. The operation was…
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Machine shop at Hercules Port Ewen plant
- 1945-Oct
General view of the machine shop at the Hercules Powder Company plant in Port Ewen, New York, showing employees at work on a variety of machines, including planers, milling machines, and lathes. Formed in 1912 as part…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Hercules Incorporated, Corporations, Machinery
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Harold Struber and Raymond Leahy operating wire-cutting and stripping machine at Hercules Port Ewen plant
- 1945-Mar
General view of employees Harold Struber (left) and Raymond Leahy operating a wire-cutting and stripping machine at the Hercules Powder Company plant in Port Ewen, New York. During the production of electric blasting…
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Joe Bechtold operating automatic shell press at Hercules Port Ewen plant
- 1945-Mar
General view of employee Joe Bechtold operating a capsule machine used to punch strips of copper into discs during the production of small shells at the Hercules Powder Company plant in Port Ewen, New York. Formed in…
- Creator Of Work Hercules Incorporated
- Subject Employees, Chemical industry, Propellants, Hercules Incorporated, World War (1939-1945), Military supplies, Corporations, Defense industries, Machinery, Bechtold, Joe
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Employee operating milling machine at Hercules Port Ewen plant
- 1945-Mar
General view of an unidentified employee operating a milling machine at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder…
- Creator Of Work Hercules Incorporated
- Subject Milling machinery, Chemical industry, Hercules Incorporated, Milling-machines, Corporations, Machinery, Employees
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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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Russ Johnson operating photostat machine in Dow Photographic Laboratory
- 1947-Jan-13
General view of photo technician Russ Johnson operating a photostat machine in the Dow Chemical Company's Photographic Laboratory. Acquired from the Engineering Department, the photostat machine was used to reproduce a…
- Creator Of Work Dow Chemical Company
- Subject Employees, Photography, Dow Chemical Company, Photographers, Photography--Equipment and supplies, Machinery, Johnson, Russ
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Ford Bowers printing photographs in Dow Photographic Laboratory
- 1947-Jan-13
General view of senior photo technician Ford Bowers printing photographs in the Dow Chemical Company's Photographic Laboratory. Established in the 1930's, the Photo Lab took pictures for employee publications like The…
- Creator Of Work Dow Chemical Company
- Subject Printers, Employees, Photography--Printing processes, Photography, Dow Chemical Company, Photographers, Machinery, Bowers, Ford
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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
Bausch & Lomb Abbe Refractometer
- 1937 – 1941
A: Refractometer
Instrument has round base with black finish; on the base is a double-sided circular glass mirror mounted to allow full rotation; a black pillar supports the prism alidade, the black brass cylindrical…- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Refractometers, Optics