1804.] 
furface. The liquor is then to be decant- 
ed, the depofited matter wafhed in a large 
quantity of water, and removed toa filter ; 
and then dried by a gentle heat. This 
procefs furnifhes 12 or 14 parts of mine- 
ralkermes. Neatly the whole of the an- 
timony diffolves, and is transformed into 
kermes. 
The Bedfordean gold medal will be 
prefented to the author, who fhall, before 
November 1804, produce to the Bath and 
Welt of England Society for the Encou- 
ragement of Arts, Manufactures, &c. the 
beft eflay, founded on praétical experi- 
ence, on the nature and properties of ma- 
nures, and the mode of preparing, and 
applying them to various foils ; in which 
ellay fhall be pointed out the beft and 
cheapeit manner of «colleéting and prepar- 
ing the different kinds of manures, and 
of the ftate, feafon, and quantity, in which 
they fhould be applied. 
Mr. Jos—EpH HuppartT has invented 
an inftrument, which he denominates the 
Stati Pointer, for readily afcertaining 
the fituation of the obferver, after having 
determined the angular pofition of three 
known objects. 
A. new edition, being the fifth, of the 
animated and popular Sermons of Presi- 
DENT Davies; A. M. of America, is in 
the Prefs, and will be fhortly publifhed, 
by the proprietors of the former edition, 
in 3 vols. 8vo. a copy of which can now 
hardly be procured at any price. ! 
The Leétures of the celebrated anato- 
mift Boeger upon the difeafes of the Bones, 
have been reduced to a fyftematic treatife 
by Ricueraup; and will fhortly appear 
in an Englith drefs. 
BeERTHOLLET has lately publifhed at 
Paris an interefting work upon the Laws 
of Chemical Affinity; a tranflation of 
which will be publifhed early in the pre- 
fent month, from a copy tranfmitted from 
the author. 
M. Guer has jut publifhed at Paris 
a work entitled Confiderations fur les Fi- 
nances, the object of which is to fhew the 
fallacy of the theories advanced and de- 
fended by the French economitts, | 
Profeflor Berarp, teacher of the 
French, Italian, and Spanifh languages, 
in St. John’s college, at Hamburg,. has 
finifhed his PraStical Teacher of the La- 
tin, French, Italian, Span.th, Portuguefe, 
German, Englifh, Dutch, Danifh, Swe- 
dith, Ruffian, and Polifh ; by means of 
Literary and Philofophical Intelligence. 
67 
which any per‘on may acquire thofe lan- 
guages without a teacher, and merely by 
the examples on their rules of coaftruc- 
tion. 
Mr. JOHN HamiLTown has announced 
at Hamburgh, an Englith Pocket Library, 
{elected from the works of the moft cele- 
brated Britith authors of recent date, each 
number to be embellifhed with two en- 
gravings. 
M. pe ra LaNnDE has prefentéé to the 
National In(titute a new thermometer. 
He places zero at the temperature of 
9%, and 31 inftead of 26. He remarks 
that the numbers 30 and 40 are thofe of 
the degrees of heat in f{ummer and cold in 
winter, 30 for moderate fummers and 
mild winters: 40 for hot fummers and in~ 
tenfe winters. 
M. Tuenarp has difcovered a blue, 
equally beautiful, and as fine as that of 
lapis lazuli, or ultramarine. 
M.Descorits has difcovered a new 
metal in the ore of platina; it is thought 
that palladium may be an alloy of this 
new metal with mercury. 
Profeflor Proust has difcovered a 
new but very dangerous fulminating 
powder, which is a mixture of oxigenated 
muriate with arfenic: it takes fire with 
the rapidity of lightning, and he thinks 
it would be very dangerous to. attempt 
to make any ule of it. ‘* If, (fays he) 
two long trains be made on a table, one 
of gun-powder, and the other of this mix~ 
ture, and they be in contaét with each 
other at one end, fo as to be fired at the 
fame inftant, you will fee with furprize 
that one appears like a flath of lightning, 
while the othe? feems to burn with ex- 
treme flowne{s.”’ 
Ancther fhower of ftones is faid to have 
fallen with a tremendous noife, in France, 
on the 8th of laft September: One of the 
ftones, which refembles thofe ufed in pav- 
ing, and is about afoot in circumference, 
has been prefented to the National Infti- 
tute, and by that body depofited in the 
Mufeum of Natural Hiflory. The ftone 
has a ietid fmell, refembling four milk, 
and when ftruck with fieel it yields a few 
{parks. 
M. CHaNCEY, in a Memoir upon the 
different fpecies of Wheat, contends, that 
there is no degeneracy of any of the forts 
but what refults from negligence, and that 
attentive culture will greatly improve any 
{pecies. 
Ka ee NEW 
