each country does for all the others what it can do best, the United States may be generally recognized as the source of skill and authority on telephony. It may be called in to rebuild or operate the telephone systems of other countries, in the same way that it is now supplying oil and steel rails and farm machinery. Just as the wise buyer of to-day asks France for champagne, Germany for toys, England for cottons, and the Orient for rugs, so he will learn to look upon the United States as the natural home and headquarters of the telephone. CHAPTER IX. THE FUTURE OF THE TELEPHONE In the Spring of 1907 Theodore N. Vail, a rugged, ruddy, white-haired man, was superintending the building of a big barn in northern Vermont. His house stood near-by, on a balcony of rolling land that overlooked the town of Lyndon and far beyond, across evergreen forests to the massive bulk of Burke Mountain. His farm, very nearly ten square miles in area, lay back of the house in a great oval of field and woodland, with several dozen cottages in the clearings. His Welsh ponies and Swiss cattle were grazing on the May grass, and the men were busy with the ploughs and harrows and seeders. It was almost thirty years since he had been called in to create the business structure of telephony, and to shape the general plan of its development. Since then he had done many other things. The one city of Buenos Ayres had paid him more, merely for giving it a system of trolleys and electric lights, than the United States had paid him for putting the telephone on a business basis. He was now rich and retired, free to enjoy his play-work of the farm and to forget the troubles of the city and the telephone. But, as he stood among his barn-builders, there arrived from Boston and New York a delegation of telephone directors. Most of them belonged to