Search Results
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71 itemsNotes on Water Analysis
- 1950s
Procedures for a series of tests used in water analysis. The experiments include the determination of various minerals and contaminants present in water samples such as nitrite, sulfates, iron, etc. Each contains a list…
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E.P. Fager conducting 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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Employees conducting water analysis at Dearborn laboratory facility
- 1934-Mar-16
General view of employees (left to right) Ray Shoan, Charles S. White, Andrew Lombardi, and Bernard Tarley conducting water analysis tests at the Dearborn Chemical Company's 35th Street laboratory and manufacturing…
- 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, Shoan, Ray, White, Charles S., Lombardi, Andrew, Tarley, Bernard , Water--Analysis, Water--Testing
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E.L. Konigsmark recording water samples at Dearborn laboratory facility
- 1934-Mar-16
General view of employee E.L. Konigsmark recording water samples sent to the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant for analysis. Founded in 1887, the Dearborn Chemical…
- 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, Konigsmark, E.L., Water--Analysis, Water--Testing
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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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Employees conducting 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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W. Crocker at work at Dearborn laboratory facility
- Circa 1924
General view of employee W. Crocker at work in the factory control work area of the Dearborn Chemical Company's 35th Street Laboratory facility and manufacturing plant. Per notations accompanying the photograph,…
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Water samples at Dearborn laboratory facility
- Circa 1924
General view of assorted water samples sent to the Dearborn Chemical Company's 35th Street Laboratory for analysis. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of BetzDearborn, Incorporated…
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Water samples at Dearborn laboratory facility
- 1934
General view of assorted water samples sent to the Dearborn Chemical Company's 35th Street Laboratory for analysis. Founded in 1887, the Dearborn Chemical Company was a corporate ancestor of BetzDearborn, Incorporated…
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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 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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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 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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Perkin-Elmer infrared spectrophotometer in use at Calgon Water Management laboratory
- 1970s
General view of a Perkin-Elmer Model 337 Grating Infrared Spectrophotometer in use at a Calgon Water Management laboratory facility. The female technician visible in the photograph is unidentified.
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Perkin-Elmer infrared spectrophotometer in use at Calgon Water Management laboratory
- 1970s
General view of a Perkin-Elmer Grating Infrared Spectrophotometer in use at a Calgon Water Management laboratory facility. Per notations accompanying the photograph, the spectrophotometer is being used to characterize…
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Perkin-Elmer gas chromatograph in use at EPA laboratory
- 1970s
General view of an unidentified chemist operating a Perkin-Elmer gas chromatograph in an Environmental Protection Agency (EPA) Region II laboratory located in Edison, New Jersey. Per notations accompanying the…
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Water testing at Environmental Protection Agency facility
- 1970s
General view of an unidentified female employee pouring a water sample into the tray of a Perkin-Elmer Autosampler at an Environmental Protection Agency (EPA) laboratory facility located in Edison, New Jersey. Per…
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Perkin-Elmer instruments in use at Calgon Water Management laboratory
- 1970s
General view of an unidentified employee operating a Perkin-Elmer Atomic Absorption Spectrophotometer with a heated graphite atomizer (HGA) attachment in use at a Calgon Water Management laboratory facility. Per…
- Creator Of Work Perkin-Elmer Corporation
- Subject Water--Testing, Employees, Perkin-Elmer Corporation, Scientific apparatus and instruments, Corporations, Water, Women employees, Atomizers, Laboratories
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Perkin-Elmer atomic absorption spectrophotometer in use at Calgon Water Management laboratory
- 1970s
General view of a Perkin-Elmer Atomic Absorption Spectrophotometer in use at a Calgon Water Management laboratory facility. Per notations accompanying the photograph, the spectrophotometer is equipped with a…
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Wilson Walker at work in Ohio Department of Health Sanitary Chemistry Laboratory
- 1970s
General view of Wilson Walker, Chief Chemist at the Ohio Department of Health's Sanitary Chemistry Laboratory, injecting a sample of drinking water into the cylinder of a Perkin-Elmer Heated Graphite Atomizer (HGA). Per…
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Perkin-Elmer atomic absorption spectrophotometer in use at Detroit Edison Company
- 1970s
General view of employee Jack Guillaumin (right) and an unidentified chemist reviewing the results of an analysis conducted by a Perkin-Elmer Model 306 Atomic Absorption Spectrophotometer in a laboratory at the Detroit…
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Perkin-Elmer atomic absorption spectrophotometer in use at Bureau of Water Supply
- 1970s
General view of laboratory technician Richard Thomson preparing water samples for testing at the New York City Bureau of Water Supply's Ben Nesin Laboratory. Per notations accompanying the photograph, a Perkin-Elmer…
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Bureau of Chemistry Water and Beverage Laboratory
- After 1901 – 1928
General view of an employee in the Bureau of Chemistry's Water and Beverage Laboratory conducting an analysis on an unidentified substance. Assorted sample jars and scientific apparatus are visible in the photograph.…