![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](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTUvMTEvMjUvdXMtY29uZHVjdHMtdGVzdHMtdG8taW1wcm92ZS1hY2lkaXR5LXN0YW5kYXJkcy13YXNoaW5ndG9uLWRjLWp1bmUtMTYtYXQtdGhlLTEwMjQuanBn/320/256/jpg "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")
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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
Summary
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Tags
Date
1937
Contributors
Harris & Ewing, photographer
Location
Washington, District of Columbia, United States, 38.90719, -77.03687
Source
Library of Congress
Copyright info
No known restrictions on publication.
