US conducts tests,improve acidity standards,Dr Walter J Hamer,electrometric,1937

Title: U.S. conducts tests to improve acidity standards. Washington, D.C. June 16. At the National Bureau [of] Standards, Dr. Walter J. Hamer is making very accurate electrometric measurements on acidity standards. They are useful in the practical control of many processes such as electroplating, purification of drinking water, air conditioning, and manufacture of pulp and paper. 6/16/37
Creator(s): Harris & Ewing, photographer
Date Created/Published: [19]37 June 16.
Notes:
Title from unverified caption data received with the Harris & Ewing Collection.
Gift; Harris & Ewing, Inc. 1955.
General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pnp/pp.hec
Temp. note: Batch four.
Subjects:
United States--District of Columbia--Washington (D.C.)
Bookmark /hec2009009562/
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