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Vol. 85, No. 6 



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^jSewrage Disposal 

 'fi¥}'te Water Treatment 

 f' Purification 



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The Dorr Sewage 

 Clarifier 



Continuous Sedimentation 



and Mechanical Sludge 



Removal 



The Dorrco Screen 



Self-Cleaning, Efficient 

 Fine Screening 



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mpany, Engineers 



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gineering Department 

 Ave.. New York 



DENVER 1 



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|ATES, PIPE AND I 



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on Supply Catalog No. 11 | 



.'age Ad. in Every Other Issue | 



JlDESTY MFG. CO. | 



: Street, Denver, Colorado = 



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PURIRICATION SYSTEMS 



IsOrTENINCa & RILTRATION 



FOR BOII-ER F-EED A.ND 



Al-I_ INDUSTRIAL. USE! 



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