Search Results
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Analytical Laboratory at Dearborn Chemical Company facility
- 1955
General view of employees at work in the Analytical Laboratory at the Dearborn Chemical Company's 35th Street laboratory facility located in Chicago, Illinois. The employees visible in the photograph are identified as…
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Employee at work in Dearborn laboratory facility
- 1930s
General view of employee Charles S. White analyzing unidentified substances at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Assorted scientific apparatus and laboratory…
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Dearborn Chemical Company water sample field test
- 1930s
General view of Dearborn Chemical Company employee E.P. Fager comparing the color of two solutions during a water sample field test. Assorted glassware and a Dearborn portable testing cabinet are visible on the table.…
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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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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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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 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
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Water sample testing at Dearborn facility
- Circa 1938
General view of an unidentified employee preparing a water sample for testing at a Dearborn Chemical Company's laboratory facility in Chicago, Illinois. A stamp on the verso of the photograph for "The Fensholt Company,"…
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Water sample testing at Mary's Help Hospital
- 1936-Aug-18
General view of Dearborn Chemical Company representative C.M. Kesler (seated) and hospital employee "Mike" examining a sample of water at Mary's Help Hospital (now Seton Medical Center) in San Francisco, California. Per…
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Water analysis at Dearborn laboratory facility
- 1934-Mar-16
General view of several employees conducting water analysis tests at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. The employees visible in the…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Glassware, Dearborn Chemical Company, Scientific apparatus and instruments
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Burning precipitates at Dearborn laboratory facility
- 1934-Mar-16
General view of two rows of Bunsen burners in use at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. Per notations accompanying the photograph, the burners are being used to burn…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Bunsen burner, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Dearborn Chemical Company, Scientific apparatus and instruments
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Scientific apparatus at Dearborn laboratory facility
- 1934-Mar-16
Close-up view of scientific apparatus used at the Dearborn Chemical Company 35th Street laboratory facilities located in Chicago, Illinois. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Chemical industry, Dearborn Chemical Company, Water purification chemicals industry, Corporations, Laboratories, Scientific apparatus and instruments
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Determination of silica at Dearborn laboratory facility
- 1934-Mar-16
Close-up view of employee A.R. Sherwood at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. A row of Bunsen burners are visible on the work bench. Per notations…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Bunsen burner, Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Dearborn Chemical Company, Scientific apparatus and instruments
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Employees at work in Dearborn laboratory facility
- 1934-Mar-16
General view of several employees at work in the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. The three employees visible in the foreground are identified…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Glassware, Dearborn Chemical Company, Scientific apparatus and instruments
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Filtering precipitates at Dearborn laboratory facility
- 1934-Mar-16
Elevated view of employees Charles S. White (left) and Andrew Lombardi (right) at work in the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. Per notations accompanying the…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Bunsen burner, Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Glassware, Dearborn Chemical Company, Scientific apparatus and instruments
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Water analysis at Dearborn laboratory facility
- 1934
General view of several employees conducting water analysis tests at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. The three employees visible in the…
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Bunsen burners in use at Dearborn laboratory facility
- 1934-Mar-16
General view of three Bunsen burners in use at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph is identified as Irin Crocker. Founded in…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Bunsen burner, Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Dearborn Chemical Company, Scientific apparatus and instruments
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Balance in use at Dearborn Chemical Company
- 1934-Mar-16
Close-up view of a balance in use at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. The employee visible in the photograph is identified as Irin Crocker. Founded in 1887, the…
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Hydrometer calibration at Dearborn laboratory facility
- 1934-Mar-16
Close-up view of employee A.R. Sherwood calibrating a concentration hydrometer at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. Founded in 1887, the Dearborn Chemical Company…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Hydrometer, Dearborn Chemical Company, Scientific apparatus and instruments
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Employee at work in Dearborn laboratory facility
- 1934-Mar-16
General view of employee James Nelson at work in the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. An assortment of beakers and laboratory apparatus are visible on the work bench.…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Employees, Chemical industry, Laboratories, Water purification chemicals industry, Corporations, Glassware, Dearborn Chemical Company, Scientific apparatus and instruments
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Laboratory work bench at Dearborn facility
- Circa 1934
General view of a laboratory work bench at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility, with view of assorted glassware and scientific apparatus. The employee visible in the…
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Bunsen burners in use at Dearborn laboratory facility
- Circa 1934
General view of an unidentified employee analyzing unidentified substances at the Dearborn Chemical Company's 35th Street laboratory facility and manufacturing plant. A row of Bunsen burners are visible on the work…
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Viscosity testing at Dearborn laboratory facility
- 1934-Mar-16
Close-up view of apparatus for determining the viscosity of oils at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph is identified as…
- Creator Of Work Dearborn Chemical Company
- Photographer C. & C. Photo Service
- Subject Viscosity--Measurement, Employees, Chemical industry, Laboratories, Corporations, Viscosity, Dearborn Chemical Company, Scientific apparatus and instruments
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Water analysis at Dearborn laboratory facility
- Circa 1934
General view of employee Al Slisg conducting a water analysis test at the Dearborn Chemical Company's 35th Street laboratory and manufacturing facility located in Chicago, Illinois. Founded in 1887, the Dearborn…
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Balance in use at Dearborn laboratory facility
- Circa 1934
General view of a balance in use at the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. The employee visible in the photograph is identified as Ted Slisz. Founded in 1887, the…