342 — Foreign Literature and Science. 
pipes, into the apartment required, and afforded at a very 
moderate price. 
M. Gonord, of Paris, has discovered the art of enlarging 
or diminishing the scale or size of an engraving on copper, 
without changing the plate ; in other words, if an engraved 
plate of copper be given to him, he can make use of it in 
such a manner as to obtaini se peeseinne of any size he pleas- 
es, either greater or less than those of the plate. From 
the plates of a folio atlas, for sroepiel he can produce an 
atlas in octavo, and without changing the plates. He is 
able, also, by the methods he adopts, to make impressions 
upon various materials, as paper, metal, porcelain, marble, 
. An. de Chimie, Jan. 1820, 
Steam Navigation is now making a rapid progress in 
Great Britain. There are on the river Clyde, twenty-five 
steam boats, the largest of which lias a burden of ninety-one 
tons, and the least of thirty-five. Twelve of these boats 
pass between Glasgow and Greenock. There are four steam 
boats on the Frith of wh gan heigl: are said to carry during 
2 L head. 
hom Bain The number of pas- | 
sengers who were conveyed along the Forth and Clyde 
canal, between Glasgow and Edinburgh; amounted in 1818 
to ninety-four thousand. two hundred and fifty ; between 
Glasgow and Paisley on the Ardrossan canal, fifty-one thou- 
saad. seven hundred; and from Glasgow along the Monk- 
pane, eighteen thou sand. 
. ‘Tei is: calculated that a person has fifteen hundred opportt- 
nities of leaving London in the course of twenty-four hours 
by stage coaches, including the repeated trips of the coaches 
which run short distances. It is understood that three hun- 
dred stage coaches pass soak Hyde-Park corner daily. 
It appears bya note in the 16th number of the Journal of 
the Royal Institution of London, that the pyrolignous acid 
feo crema Oe 
