Chapter 13 THE TELEPHONE AT THE CENTENNIAL

Boll's Impromptu Trip to the Exposition-The Table Under the

Stairs-Indifference of the Judges-Enter Don Pedro, Emperor of

Brazil-Attention and Amazement-Skepticism of the Public-The Aid

of Gardiner Hubbard-Publicity Campaign.

The Philadelphia Centennial Exposition-America's first great exposition-opened within a month after the completi