Mr. Harwoop will fpeedily publith, 
in one large volume quarto, the Hiftory 
and Antiquities of the City and Church 
of Litchfield, containing its ancient and 
prefent State, civil and ecclefiaftical; cal- 
leS&ted from public Records, and other au- 
théntic Documents. 
The Works of the late Mr. Arcz- 
DEACON BLACKBURNE, In feven vo- 
lumes, vo. with a Life of the Authcr, 
by his fon, Mr. Francis BLAaCKBURNE, 
will be ready for delivery early in January. 
Mr. R. A. RIDDELL is preparing for 
publication, a Pisturefque View of the 
priticipal Mountains of tne World, with 
their actual heights, from the be# autho- 
rities, anda Scale of Comparative Alti- 
tudes, applicable to the piéture, defigned 
and executed by himfelf. It will be ac- 
companied by an Hiltorical and Pic- 
turefque Account of Movun‘ains, their 
Mineral and other Produdtions, &c. by 
Mr. JosEPH WiLsOn, of Lincoin’s-inn. 
The fize of the engraving will be 4 feet 
by 3, and the fcale will be 35 inches to 
22,000 feet. 
Mr. Linptey’s Account of a Voyage 
to Brazil is nearly finifhed at the prets. 
Mr. Buiatr’s Phyfiological Le¢tures, 
for the information of {cientific and pro 
feffional gentlemen, amateurs of Natural 
Hiftory, ttudents in the Liberal and Fine 
Arts, &c. will re-commence on Tuefday 
the 8th of January; to be continued 
every fucceeding Tuelday and Friday 
evening, at eiglit o’clock precifely. This 
courfe is iiluftrated by fele&t anaomical 
preparations, drawings, medels, cafts, and 
a living mufcular fubjet. Further par- 
ticulars may be learnt at Mr. Blair’s 
h-ufe, Great Ruffel-ftreet, Bloomfbury, 
where may be bad a printed Syllabus of 
the Lectures. 
Roya Instirution.—The follow- 
ing arrangement for the Spring Courfe of 
Lectures at this popular National E‘ta- 
blifhment, has juft been concluded. Mr. 
Profeflor Davy, two courfes; the firf on 
Geology, the {ccond on the Principles end 
Effe&ts of Science; Mr. Allen, on Natu- 
ral Pnilofophy ; Mr. Opie, on Painting ; 
Rev. W. Crowe, on Hiftory; Rev. J. 
Hewlett, on Belles Lettres; and Dr. 
Smith, P. L. S. on Botany. 
A new Economical Lamp applicable to 
domeftic purpofes, and which poficiles the 
valuable property of effecting the peifeé 
combuttion of common lamp-oil, uf halt 
the price of {permaceti-oil, fo as to yield 
a chearful, durable, and ftesdy lighr, 
without producing the leaft imoke or 
fmell, will, very fhortly, be laid before 
the public, 
'a32 Literary and Philofophical Intelligence. 
(fant, 
We are glad to hear that all the thares 
have been engaged in Mr. WINDsoR’s 
Company for producing Light and Heat 
by means cf ignited gaz. On this plan a 
houfe is to be heated and lighted by means * 
of gaz, produced in a remcte part cf the 
premifes, and conducted by pipes into 
the various rcoms, The Company pro- 
pofe in like manner to light the ftreets of 
a whole parifh, a theatre, light-houfe, or 
any public building, by means of gaz, 
preferved in refervoirs, and ignited at the 
apertures of the pipes out of which it 
iflues into the atmofphere. 
Mr. GEorGE Jamison, Time-piece- 
maker to the Commiffioners ct the Navy, 
has invented a Machine, whereby the 
errer of a Time-keeper may be afcertain- 
ed at fea without obfervation. ‘The great 
purpole of this invention is to prove whe- 
ther the chronometer of a watch has va- ° 
ried from its given rate at the Royal Ob- 
fervatory, or any other place, the fituation 
of which is known ; fo that the navigator 
will have the fame advantage of compari- 
fon as he would have by a regulator on 
fhore. 
The fame GEORGE JAMISON propcfes 
to publifh by fubicription, a work on the 
Progreflive Efforts of Human Ingenuity ; 
in which will be defcribed the pretenfions 
and difcoveries of the moft admired me- 
chanics of every age and country; inter- 
fperfed with curious anecdotes, and illuf- 
trated with numerous plates. 
It cannot fail of interetting a large pro- 
portion of our readers to be informed, 
that the Society for the Excouragement . 
of Sunday Schools, fince its eltablifliment, 
has afforded aid, cither.in books or mo- 
ney, to 2329 (chools, containing 206,334. 
fenolars ; for whofe ule, they bave diftri- 
buted 92,854 Spellmg-books, 44,517 
Teltaments, and 6,701 Bibles; befides a 
fum of 4,122], ras. 8d. granted for the 
payment of fuch teachers in thoie {ehools 
as required pecuniary reward. 
Dr. WoLt.LasTon has dilcovered ano- 
ther new metal in crude platina, to which 
he has given the name of Rhodium. It 
is diffolved, together with the platina, in 
nitre-muriatic acid. From this fo'ution, 
the platina being thrown down by fal- 
ammoniac, a plate of zinc precipitates all 
the other metals, except iron. The black 
powder thrown down by the zne, is di- 
gefted in very weak nitric acid, to diflulve 
any copper. Tne whole ts then diffolved 
in nitie-muriatic acid. M:x the folution 
with common falt, evaporated to drynels 
by a very gentle heat; wath the refiduum 
with alkohol, till the alkohol comes off 
colourlefs : what remains behind is a foda- 
: muriat 
