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Start Over You searched for: Date 1949 Remove constraint Date: <span class="single" data-blrl-single="1949">1949</span>-
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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Calender sheeting operation
- Circa 1949
View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…
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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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Banbury charging operation
- Circa 1949
View of a worker inserting rubber stock into the Banbury Mixer at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mixer was used to break down and mix rubber…
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Banbury Mixer in the Rubber Compounding and Processing Laboratory
- Circa 1949
View of the Banbury Mixer used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mixer is a Farrel-Birmingham Co. size B Banbury Mixer with a 25 H.P. motor and four-speed…
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Employee filing band saw at Cliffs Dow plant in Marquette, Michigan
- 1949-Jun
General view of an unidentified employee filing a band saw in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose,…
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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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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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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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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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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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Extruder in use at Hercules Parlin plant
- 1949-Jan
Close-up view of an extruder in use in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Extruders were commonly used to process and shape a variety of raw materials produced at the…
- Creator Of Work Hercules Incorporated
- Photographer Rittase, William M., 1894-1968
- Subject Chemical industry, Extrusion process, Hercules Incorporated, Corporations, Cellulose, Machinery
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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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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