To begin with, we will withdraw the oxygen from the atmosphere so slowly that at first there won't be any noticeable effect on the out-door air.

For a while, the only thing that will be noticed by the world will be that our gas service, to private residences and institutions, will result in greatly increased comfort and health to the better classes.

And the cost will be so low--at first, mind you, only at first--that every family of any means at all can take it.

In fact, Wally, we can afford practically to give away the service, for the first year, until we get our grip firmly fixed on the throat of the world.

Do you get the idea ?" Waldron nodded, as he drew leisurely on his cigar.
"Practical to a degree," he answered.