August 2003
Volume 45 Number 8
 

A History of Softening
by Peter Meyers   Pages: 

Water treatment has been important to mankind since biblical times. As he led the Israelites safely through the wilderness, Moses probably recorded the first published reference to water treatment...


Click here to view additional information: historyofsoft.pdf

To view in PDF format, you will need the FREE Adobe Acrobat Reader.