of the Universal Exposition. 179 
effects, or of articles and implements for ornament and use, 
in their variety, their finish, and their aptitudes, as well as 
the rapidity and multitude of their manufacture. The conelud- 
ing four chapters are occupied with the ‘exact sciences’ consid- 
ered in their mechanical and practical relations. Weread with 
wonder of the success with which measurements are carried to 
an exactness well nigh rivalling, to all intents, the mathe- 
matical itself—of rods ascertained to a millionth of an inch in 
length, and of balances that perform to a twenty-millionth part 
of their burden. We are delighted to trace anew the progress 
by which the human eye has become enabled, through the per- 
fection of object-glasses enormous in dimension, on the one hand, 
or of minute sizes on the other, to penetrate into the universe out- 
into the surprising secret by which mechanism is made to 
onal s of 
legendary lore. Taken together it forms a resort where the 
i e 
prin as a public narily 
obtainable abariise than by and through members of the 
United States Senate, each of whom, as we are informed, had 
e distribution of some fifteen entire series, each corresponding 
to the one of which this report is a constituent. : 
The United States was not poe represented, as res 
numbers, in its own section of the ifr | The country was 
to much oceupied with new an _extraordinary dom 
questions. Industry was unsettled in many respects. = 
subject had not attracted the earliest attention; and the fie 
Was very distant, Yet our national exhibit, although not 
extended in scale, was excelled in quality only by France 
