PRACTICAL BOOK OF GARDEN ARCHITECTURE 



space as the amount of incoming water grows 

 greater. For supplying the high tank or reservoir, 

 however, which in turn is to be situated in the high 

 tower, serving as an architectural achievement in 

 beautifying the home grounds, any one of the many 

 inexpensive forms of supplying power will give 

 satisfaction at comparatively small expense. Just 

 how small the cost may prove a surprise to many 

 who have not given the subject careful consideration, 

 and who have accordingly refrained from establish- 

 ing this very essential source of comfort in the home. 

 The expert who has given me the following figures 

 knows what he is talking about, even though the few 

 cents per day for fuel and oil will prove a surprise. 

 i ' One horsepower expended for one hour will easily 

 raise one hundred gallons of water to a height of 

 one hundred feet; and as half that distance fur- 

 nishes enough pressure for the ordinary country 

 house, two hundred gallons would be available at 

 the end of an hour's pumping. This is a sufficient 

 amount for the daily domestic use of an ordinary 

 household ; and in this manner an ample water sup- 

 ply could be obtained for a small family at a cost not 

 exceeding three or four cents a day for fuel and oil, 

 plus the proportionate cost of installation, attention, 

 housing, and wear and tear. The height to which 

 the power would be raised is taken as the distance 



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