Hydraulic Elevators and Motors.--By B. F. JONES.--Bearing
upon the Water Supply of Cities.--Cost of Water used.--Objectionable
effects on Water Works.--Best method of arranging water
supply.--Cause of Accidents.--Advantages of Water Motors over
Steam Engines.--Rates for Water Motors.
Water Supply of Small Towns.--Process of Softening Hard
Water. Six figures.
Improved Water Meter. Several figures.