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Start Over You searched for: Date 1934 Remove constraint Date: <span class="single" data-blrl-single="1934">1934</span>-
Hydrometer in use for water sample testing
- 1930s
General view of Dearborn Chemical Company employee C.B. Smith utilizing a concentration hydrometer during a water sample field test. Assorted glassware and a Dearborn portable testing cabinet are also visible on the…
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Dearborn Chemical Company water sample testing
- 1930s
General view of two unidentified men utilizing a Dearborn Chemical Company portable testing cabinet to conduct a water sample field test. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of…
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F.B. Horstmann conducting Dearborn Chemical Company water sample field test
- 1930s
General view of Dearborn Chemical Company engineer F.B. Horstmann utilizing a portable testing cabinet to conduct a water sample field test. A stamp on the verso of the photograph for "The Fensholt Company," a public…
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E.P. Fager conducting Dearborn Chemical Company water sample test
- 1930s
General view of Dearborn Chemical Company employee E.P. Fager preparing a water sample for testing. A stamp on the verso of the photograph for "The Fensholt Company," a public relations firm based in Chicago, suggests…
- Creator Of Work Dearborn Chemical Company, The Fensholt Company
- Photographer Williams & Meyer Co.
- Subject Employees, Chemical industry, Dearborn Chemical Company, Water purification chemicals industry, Corporations, Glassware, Scientific apparatus and instruments, Fager, E.P., Water--Analysis, Water--Testing
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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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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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Apparatus at Fixed Nitrogen Research Laboratory
- 1930s
General view of an unidentified apparatus, possibly a pump or compressor, used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.
The Fixed Nitrogen Research…