One Thousand Ways to Make Money by Page Fox

407. THE PNEUMATIC WATER TANK.--Instead of the unsightly water tank on

the top of isolated buildings or country dwellings, with its liability of leakage and destruction of property, why not have a water tank in the cellar operated by means of compressed air? By being placed in the cellar or underground, there would be the additional advantage of having the water drawn cool and fresh. In winter also, it would be much better protected from freezing than when placed on top of a building. Some one will find money in a pneumatic water tank.