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Plate I: Diatomaceæ
- Part of The Microscopy of Drinking Water
- 1914
Illustrated plate depicting various forms of diatoms or diatomaceæ, microscopic plant organisms living in water. The magnification of the organisms depicted on the plate is 500 diameters.
- Creator Of Work Whipple, George Chandler, 1866-1924
- Subject Scientific illustration, Microscopy, Diatoms, Microorganisms, Water--Analysis
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Plate A: Sediment (chiefly algae) from Cambridge Tap Water
- Part of The Microscopy of Drinking Water
- 1914
Illustrated plate depicting sediment (chiefly algae) from tap water collected on cotton disks in Cambridge, Massachusetts during the autumn of 1913. Per the author, the plate is intended to illustrate the variations in…
- Creator Of Work Whipple, George Chandler, 1866-1924
- Subject Scientific illustration, Microscopy, Water--Analysis, Algae, Water
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21 items
The Microscopy of Drinking Water
- 1914
Cover and illustrated color plates from the 3rd edition of The microscopy of drinking water by George Chandler Whipple. Per the author, the book is designed to serve as a guide for the water analyst and water-works…
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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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LifeStraw personal water filter
- 2007
Plastic tube with purple flip cap. Hollow fibers inside tube filters contaminants from water. Purple string attached to one end of tube.
LifeStraw is a personal and mobile water purification tool developed as a…
- Manufacturer Vestergaard Frandsen
- Subject Water--Purification, Water filters
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2 items
Tasita filter holder
- Keystone funnel
- 2016
A: Blue plastic funnel with B: cap used to hold filter paper. Funnel is designed to fit on two 2-liter soda bottles (with cap on) or on the top of a jerrycan (without cap).
In 2016 Dr. Theresa Dankovish's company,…
- Manufacturer Folia Water
- Subject Water--Purification, Water filters
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A new, low-cost way to cut both corrosion and bacteria...Hercules "RADA"
- Part of 1949 Hercules Advertisements
- 1949
Advertisement for "RADA," or rosin-amine-D-acetate, a water soluble chemical manufactured by the Hercules Powder Company for use as a corrosion inhibitor and to control bacteria in water flooding systems, among other…
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Now...Water as Soft as Rain Right Out of Your Faucet!
- 1953-May-30
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 56 of the May 30, 1953 edition of Th…
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Softer Than Rain Water Right Out of Your Faucet
- 1953-Jun-13
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 90 of the June 13, 1953 edition of T…
- Creator Of Work Dow Chemical Company
- Subject Chemical industry, Dow Chemical Company, Water--Softening, Corporations, Water--Softening--Equipment and supplies
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DOWEX...in a Modern Water Softener Gives You Rain-Soft Water Right Out of the Faucet!
- 1954-Sep-11
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 77 of the September 11, 1954 edition…
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DOWEX...in a Modern Water Softener Gives You Rain-Soft Water Right Out of the Faucet!
- 1954
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners.
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Read How to Get Soft Water Right Out of Your Faucet!
- 1953-Jul-11
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners, with information on how to obtain an informational booklet about…
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Now You Can Enjoy the Luxury of Rain-Soft Water Right Out of the Faucet!
- 1953-Sep-12
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 75 of the September 12, 1953 edition…
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DOWEX...in a Modern Water Softener Gives You Rain-Soft Water Right Out of the Faucet!
- 1954-Mar-20
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 93 of the May 20, 1954 edition of Th…
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DOWEX...in a Modern Water Softener Gives You Rain-Soft Water Right Out of the Faucet!
- 1954-May-01
Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 87 of the May 1, 1954 edition of The…
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"Hard Water" Fairyland...Hot Water Hazard!
- Advertisement for Dowell solvents
- 1950-Nov-04
Color print advertisement for Dowell Incorporated, a subsidiary of the Dow Chemical Company. The advertisement depicts a young woman examining stalactites and stalagmites in a cave. The accompanying text details the…
- Creator Of Work Dow Chemical Company
- Subject Dow Chemical Company, Corporations, Chemical industry, Advertising, Advertising, Industrial, Solvents, Solvents industry, Water--Hardness
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The Balance of Power!
- Advertisement for Dowell solvents
- 1943
Color print advertisement for Dowell Incorporated, a subsidiary of the Dow Chemical Company. The advertisement features an aerial view of an industrial power plant, with accompanying text detailing the use of Dowell…
- Creator Of Work Dow Chemical Company
- Subject Dow Chemical Company, Corporations, Chemical industry, Advertising, Advertising, Industrial, Solvents, Solvents industry, Water--Hardness, World War (1939-1945)