206 
this idea, are inaccurate.. He: prefers 
carbonates, to ascertain the relations of 
acids and bases in neutral salts. 
A curious discovery has just been made 
in the archives of the office for foreign 
affairs. Ic¢is a manuscript history of Po- 
land, written in 1764, by command of 
goverpinent, by FatHER GouVvERT DE 
MavuBert,acapuchia. This history has 
been compared with that of the acade- 
mician Ruihiéres; and to the astonish- 
ment of all, it has been found, thdt, ex- 
cept some trifling suppressions, or addi- 
tions, he has copied a volume and a-half 
of his work, verbatim, from Maubert. 
GERMANY. 
The art of printing from stone, conti- 
nues to be practised with great success. 
At Stutgard, a printing-office has been 
established for the more extensive ap- 
plication of this invention. ‘The engra- 
ving of music is the chief branch to 
which it has hitherto-been directed. 
M. Decen, a watchmaker of Vienna, 
has invented a machine, by which a per- 
sou may rise into the air. It is formed 
of two parachutes, of taffeta,, which 
may be folded up or extended at plea- 
sure ; and the person who moves them is 
placed in the centre. M. Degen has 
made several public experiments, and. 
rose to the height of fifty four feet, flying 
in various directions, with the celerity of 
a bird, A subscription has been opened 
at Vicnna, to enable the inventor to pro- 
secute his discvseries.. ; 
Baron Lurcenporr, well known for 
his travels, has invented a machine, by 
means of which a person may exist un- 
der water, without fear of bemg drowned. 
It is a kind. of cairass, which allows the 
body to assume every possible position, 
and which is expected to be extremely 
useful in saving persons in danger of be- 
ing drowned. The police of Vienna 
have purchased a considerable number 
of these machines, with the view of as- 
sisting in bringing up drowned persons 
from the bottom of the Danube. 
M. Wotrmanw has published a very 
interesting and able book, onthe hydrau- 
lie works, in the territory of Hamburg. 
The author has introduced into it some 
new and curious ideas. It was he who 
directed the new works constructed in- 
the port of Hamburg, and at the mouth 
at the Elbe. 
The Observatory of Seeberg, near Go- 
tha, has been placed under the direction 
of M. ven Lindenau, who succeeds M. 
Von Zach; that ilnstrious astronomer 
Re vlig acvoorpanied the Duchess Dewa- 
XN 
Literary and Philosophical Intelligence. 
[Sept. ly 
ger of Gotha, to the south of Europe. - 
The present duke, much to his credit, is 
endeavouring torestore that establishment 
to its former splendor, and applying the | 
funds, assigned it by Duke Ernest, to the 
purpose for which they were originally 
intended, M. Schroter, a very able, 
mechanician, has been directed to exa- 
mine all theinstruments. ‘The numerous 
works relative to astronomy, which 
formed part of the library of the late 
duke, have been placed under the super- 
intendence of M. Von Lindenau; among, 
the rest is the library of Bernouilli,. 
which has never been unpacked since it 
was purchased. 
Messers. Dosen, Buscurnec, and Van: 
DER [[AGEN, propose to publish in nume- 
bers a Museum of the ancient Language, 
Literature, and Monuments of Germany. 
The interest of the subject, and the ta- 
lents of the persons concerned in this 
work, promise a highly curious and in- 
structive performance. 
M. Wrevanp has sent to the press, at 
Zurich, his Translation of Cicero’s Let=" 
ters, with a Commentary. This publi- 
cation is accompanied with a prefaces: 
in. which the translator developes the me-. 
rit and: interest of the Letters of the La- 
tin orator, and: the rules which he has 
followed.in translating them. ie 
M. Bernarp Srarck, of St. Emme~ 
ran, has recently found in a research, 
which he caused to be made near Ratis- 
bon, vases, rings, coins, and atomb, on. 
which are four figures in relievo, with this 
inscription: C. J. Donatus Eques. ‘The 
coins are chiefly of Anteninus, and the 
Empress Faustina, | 
Prefessor Brepow, of Helmstadt, 1 
engaged upon a new edition of the au- 
thors known by the appellation of Geo- 
graphi Minores, of whom there is none 
but Hudson’s English edition extant, and 
that is very scarce and dear. ‘This new 
edition will comprehend all the works 
published by Hudson, collated with the 
best manuscripts. 
of Eustathius on Dionysius Periegetes 
will appear, with very numerous correc 
tions. _ Fhe Periphrastes of Dionysius, 
will be for the Grst me published in a 
correct manner, from the manuscript in 
the imperial library; and M. Bredow has 
promised to subjoin to it, a.gréat number 
of importaut illustrations, that have ne- 
™~ 
Thus the commentary 
ver yet appeared. He intends-to include | 
several geographers, not comprised in. 
‘Hudson’s collection ; as Dicuilus, Nice- 
phoros, Blemmydas, Gemisthius Pletho,. 
walladias, &c, Lastly, this edition will 
be 
