. The sanitation of cities. I WILLIAM-L-DOLIER AND STAFFOF THE SANITATION CORPORATIONNEW YORK CITY G-5 Copyright, 1921, by The Sanitation Corporation New York CONTENTS CHAPTER PAGE I General Considerations 3 II The City Plan AND THE Sanitary Utilities . 15 III Water Supply and Removal of Sewage ... 23 IV The Purification of Water Supplies .... 43V The Sewerage System 57 VI The Sewage Treatment Problem 63 VII The Biological Treatment OF Sewage .... 73 VIII Difficult Problems Found in Treating Sewage . 83 IX The Mechanical Treatment of Sewage ... 89 X The Purification of Sewage 97 XI Development
. The sanitation of cities. I WILLIAM-L-DOLIER AND STAFFOF THE SANITATION CORPORATIONNEW YORK CITY G-5 Copyright, 1921, by The Sanitation Corporation New York CONTENTS CHAPTER PAGE I General Considerations 3 II The City Plan AND THE Sanitary Utilities . 15 III Water Supply and Removal of Sewage ... 23 IV The Purification of Water Supplies .... 43V The Sewerage System 57 VI The Sewage Treatment Problem 63 VII The Biological Treatment OF Sewage .... 73 VIII Difficult Problems Found in Treating Sewage . 83 IX The Mechanical Treatment of Sewage ... 89 X The Purification of Sewage 97 XI Development of Commercial Waterways as a Sanitary Measure 105 XII High Pressure Fire Service iii XIII Concluding Remarks 117 WILL-HE-BUY?. 0NTHE-5ANITY0FH1SCH0ICETHEHEALTH-OF-HISCITY-W)LL-DEPEND. THE SANITATION OF CITIES CHAPTER 1 GENERAL CONSIDERATIONS Benjamin Franklin in one of his wise sayingsreminds us that the choice of a good whole-some situation to fix a dwelling in is a very seriousaffair, especially as not only the comfort of livingbut even the necessaries of life depend in greatmeasure upon it; since a family frequently sickcan rarely, if ever, thrive. The truth of this and the wisdom of his adviceare obvious. Sanitation is a broad subject, and inthe present age is especially the problem of thecity. Civilization is the child of the city, and thetrue measure of social advancement is mademanifest particularly in the comfort, health andprosperity of the inhabitants of cities. The an-cient municipality encircled by its strong wallsreveals civil and social conditions controlled bypower and served by slavery. Many cities arewritten large on the pages of history which areillumed thus with deathless glory. Babylon,Nincu31924004974907
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