These Two Books 



explain the greater 



economy in pumping 



obtained by using the 



improved 



"American" Centrifugal 



General Centrifugal Catalog No. 117 



is 8x11 inches in size and contains 128 pages and 

 cover. 



It not only explains the advantages of the centri- 

 fugal principle of pumping but shows why "Ameri- 

 can" centrifugals attain higher efficiencies than 

 others, shows a perspective of the "American" 

 Hydraulic laboratory, the manner in which ' ' Ameri- 

 can" centrifugals are tested, the plotted character- 

 istics of several types of "American" centrifugals, 

 illustrates about 50 styles of "American centrifu- 

 gals and contains about 20 pages of hydraulic 

 tables, many of which are not contained in any 

 book on hydraulics published. 



If you are interested in this greater economy of 

 pumping write for this catalog but be sure to_ men- 

 tion No. 117 and the name of the publication in 

 which you saw this advertisement. 



Irrigation by Pumping, 



BULLETIN No. 118 



is 8x11 inches in size and contains 32 pages and 

 cover. 



This bulletin describes types of pumps 

 adapted for irrigation purposes, conditions 

 most favorable to each of the different 

 types of pumps, shows about 50 illustra- 

 tions of irrigation scenes and diagrams of 

 pump installations and illustrates and 

 describes the three largest irrigation pump- 

 ing plants in America, which are equipped 

 with "American" centrifugals exclusively. 



If you are contemplating installing any 

 kind of an irrigation pumping plant you 

 need this booklet. 





THE AMERICAN WELL WORKS 



General Office and Works: Aurora, Illinois 

 Chicago Office: First National Bank Building 



