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Start Over You searched for: Date 1949 Remove constraint Date: <span class="single" data-blrl-single="1949">1949</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
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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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 right-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 left-hand side of…
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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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Hot pond and sawmill conveyor at Cliffs Dow plant
- 1949
General view of three unidentified employees poling and transferring logs from a hot pond to the washer and sawmill conveyor at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Invented around…
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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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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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Employee using band saw at Cliffs Dow plant
- 1949
General view of an unidentified employee feeding cants (logs with one or more squared sides) into a band saw in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of…
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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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Employee filing circular saws at Cliffs Dow plant in Marquette, Michigan
- 1949
General view of an unidentified employee filing circular saws 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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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