THE approaching Exposition is considered by many as a great and splendid show, calculated to give pleasure and excitement to hundreds of thousands of persons. Even in this sense it would be beneficial, for it is always important that the pleasures of the people should be productive of some advance in their tastes and information. But its great and paramount value depends on other causes. Its object may be most concisely expressed by stating that-

The Exposition is calculated to promote and increase the free interchange of raw materials and manufactured commodities between all the nations of the earth.