Manual for water plant operators
Hirsch, A. Adler
Manual for water plant operators by A. A. Hirsch - Inc. : Brooklyn, New York Chemical Pub. Co. 1945 - xvii, 386 p. : ill., form, diagrs. ; 22 cm.
'An outgrowth of the traveling school for water and sewerage system operators, conducted by the Louisiana state Department of education, Trade and industrial education division.'-Pref.
'Useful literature': p. 357-362.
Water--supply engineering
Water--Purification
Manual for water plant operators by A. A. Hirsch - Inc. : Brooklyn, New York Chemical Pub. Co. 1945 - xvii, 386 p. : ill., form, diagrs. ; 22 cm.
'An outgrowth of the traveling school for water and sewerage system operators, conducted by the Louisiana state Department of education, Trade and industrial education division.'-Pref.
'Useful literature': p. 357-362.
Water--supply engineering
Water--Purification