PART I

CHAPTER PAGE

I. COUNTRY SOURCES OF WATER SUPPLY 19

Relation of Water to Health--Collection of Rain Water--Cisterns--Springs--Various Kinds of Wells--Laws Regulating Supply.

II. APPLIANCES FOR DISTRIBUTING WATER 39

Pumping Machines--The Hydraulic Ram--Use of Windmills--Engines--Steam and Electric Pumps--Reservoirs and Tanks--Appliances for Country Houses.

III. PURIFYING WATER BY COPPER SULPHATE 52

Clear Water Often Dangerous--Pollution Due to Plants--Copper Sulphate Method--Directions for the Copper Cure.

IV. RIDDING STAGNANT WATER OF MOSQUITOES 70

Malaria Due to Mosquitoes--Cause of Yellow Fever--Effect of a Mosquito Bite--Destruction of Larvae--Best Preventive Measures--Use of Kerosene.