~ 
250 
rifk of rotting. Two pounds and a half 
ef the varnifh are fufficient for a furface 
of a hundred fquare feet, and it is fold at 
eighty-two Pruffian dollars the hundred 
weight. 
-Mr. SuERSEN, of Kiel, has publithed 
fome expe:iments upon the formic acid, 
from which he infers tha’, notwithftand- 
ing the labours of Fourcroy, Vauquelin, 
and Dayeux, the identity of this acid with 
that of vinegar ts-not proved. 
An Almanack has been printed for che 
prefent year at Conftantinople, which is 
the firt of the kind ever publifhed in that 
city, althougha printing cffice was eftab- 
lifhed there fo long ago as the year 1716, 
from which many books have been iffued 
from time to time. 
The Ele&tor of Bavaria has caufed 
an obfervatory to be erected in the neigh- 
bourhood of Munich. The fituation cho- 
fen for its confrustion takes in an exten- 
five hcrizon. Pyofeffor Siyser, of Got- 
tingen, 
eftablifhment. 
The rich land-owners in the Ukraine 
and Volhinsia have contributed liberally 
for the eftablifiment of Lyceums devoted 
to the teaching of natural philofophy-at 
Krzeminico, and at Winnica, The li- 
brary and philofophical apparatus of the 
King of Poland have been purchafed for 
this purpofe. M. Snrapecki has re- 
ceived a jum equal to 500l. to procure ‘te- 
Jefcopes and clocks, and no expence is to 
be {pared in peperty furnifhing the ob- 
fervatories with inftruments, 
M. GoupDBacH, an able aftronomer of 
Leipfic, has been nominated Profeffor of 
the Univerfity of Mofcow. He is to have 
the direétion of the-confruétion of a new 
obfervatory, to furnifh it’ with inftru- 
ments, and to infruct young menin prac- 
tical aftronomy. ‘This univerfity poffeffes 
already a large collection ef mathematical 
infruments, made by the moft fcientific 
opticians, and other artilts, io London. 
Art Paris, M. DeLaMBRE has com- 
pofed and printed a fer of fables of the 
Sun, in which there are many new equa- 
tions, and of which al} the elementary 
parts have been verified by new obferva- 
tions, A fet of Tables of the Moon’s 
Moticn are allo tobe printed, and another 
relating to the planets. 
Some experiments have lately been made 
at Amiens, to afcertain the nature of the 
foul air in of cifterns, and it has been 
found to confit of azotic gas, oxigenated 
gas, and carbonic acid gas, in the pro-= 
portions of 86: 8 and 6. 
Literary and Philofophical Intelligence. 
is nominated director of this: 
[ April 1, 
A letter from Ragufa inferted in the 
Vienna Court. Gazette, fays: ‘* the vac- 
cine inoculation has at dength triumphed 
here through the zeal and the efforts of the» 
indefatigab:e Dr. Stulli, who, at the re. 
peated invitations of Dr. Carro cf Vienna; 
_ has happily furmounted all the obftacles 
which prejudice and careleffoefs threw in: 
his way. The Catechifm written by Dr.: 
Carro, being tranflated into the Illyrian 
language, and circulated in the town and» 
adjacent country, induced a great number. 
ef the inhabitants to adopt inoculation... 
The matter tranfmitted from Vienna pro- 
duced the beft effet. In a.few days Dr. 
Stulli inoculated one hundred children, 
which is a confiderable number fer this 
country, in which of late yeais, and even’ 
in 1804, more than three bundred chil-. 
dren died of the natural fmail-pox. This 
difcovery is. l:kewife making progre‘s 
amoung the Dalmatians and che Turks.””. 
An optician of Berlin, named Mo.in, 
pretends to have difcovered the lott fecret 
of painting indelibly on glafs.. The cele= 
brated chemift Klaproth has declared that 
M. Molin’s work cannot be effaced with- 
out deftroying the glafs. 
The journey which M. Keanna. of 
Peterfburg, intended to make laft year in 
the Crimea, was. prevented by the duties 
of -his fituation at the Hermitage... He is 
at prefent emp:oyed in writing an account 
of his journey of the preceding year, and 
in arranging a very confiderable collection 
of engraved ftones, brought from France 
by General Hitrof, and purchafed by the 
Emperor for thirty thoufand ducats. 
A remarkable phenomenon engages the 
curiofity of all the inhabitants of the en- 
vironsof Como. In the commune of La- 
‘orca, and diftriét of Lecco,:a fubterra. 
neous fprirg fuddenly burt forih, at the 
fame Pane occalioning the fall of two 
houfes, and fifteen or twenty-hours after- 
wards tha - of a forge fituated near its 
This fream carries with it a: very. thick 
chalky matter, which, mingling with the 
water in its courie, has rendered turbid 
the whole lake into which it diicharges it- 
felf’ M. La Carre, an officer of engi- 
neers, who repaired to the fcene of this 
phenomenon, judges that the accidents 
which have happened muft “be afcribed to 
this, that the {{ream has formed a fubter- 
raneous cavern, and comeques ‘tly the 
greater or leis damage which may ia fu- 
ture refult from it will depend encively on 
the dimenfions of the cavity. 
An engraving has been publi thed of the 
ftatue of Iiadame, mother of the Emperor 
Napoleon, 
2 a 
