DDT— 

 KILLER 



OF 



KILLERS 



by O. T. ZIMMERMAN. Ph. D., 

 Professor of Chemical Engi- 

 neering, University of New 

 Hampshire 



and 



IRVINLAVINE, Ph. D.. 

 Formerly Professor of Chem- 

 ical Engineering and Head 

 of Department, University of 

 North Dakota. 



INDUSTRIAL RESEARCH SERVICE 



DOVER, NEW HAMPSHIRE 



1946 



