agricultural experimental purposes.

HUDSON RIVER STEAMER, 1200 TONS

The dimensions are:—

Length 325 feet
Breadth 38 "
Depth of hold 11 "
Width of cylinder. 5 ft. 10 in.
Length of stroke. 14 feet
Diameter of wheel. 40 "

MAP OF THE UNITED STATES


A CHAPTER,

Gratis and Explanatory.

What is the use of a preface? Who wants a preface? Nay, more—what is a preface? Who can define it? That which it is most unlike is the mathematical myth called a point, which may be said to have neither length nor breadth, and consequently no existence; whereas a preface generally has extreme length, all the breadth the printer can give it, and an universal existence.