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2 pret, 5. eee 
— == 
Se ee 
Se ee OS oe 
428 
of folid conftru&tion. Each of thefe has a 
pump for itfelf; and all the pumps are 
wrought by horfes. The mechanifm of 
the pumps confifts, for each, ina fingle 
wheel, with a movement fitted toa {mall 
bell, which indicates, even at a diliance, 
when the horfes ftop. A wheel with 
teeth, which was formerly ufed, has been 
laid afide, as doubling the labour. But 
it will be probably refumed, becaufe 
fince its ufe was diflcontinued, the fup- 
ply of water has been often deficient 
in the beft part of the year.. A propofal 
has been to adopt the ufe of wind-mills ; 
but the expence would, probably, be toa 
great. The fafcines are either of floe- 
thorn buthes or of juniper; but the for- 
mer are’ preferred. Trial has alfo been 
made of {mall deals in an oblique pofition. 
It is neceflary to change the fafcines only 
Once in fixieen years. .Within that {pace 
of time, they are coated over with a grey- 
ifh earthy matter, which entirely prevents 
the paflage of the water. “The evapora- 
tion of the water proceeds more flowly 
in damp, foggy weather. A mixture of 
Engtith rock-ialt, cofting feven rixdollars 
for every 2300 lbs. is added to the falt- 
‘water in the bafons, to facilitate and 
haften the cryftallization. In the {pace of 
62 hours, with the confumption of 53 
cords of woods, it is ufval to obtain from 
35 to 33 tons of cryfiallized falt. The 
mother-water, after pafling into the laft 
of the fix bafons, is conveyed thence into 
the refervoir, out ef which it is conducted 
by pipes to the buildings in which it is 
boiled. Thefe ere feven in number; the 
fir& fix of which have each a boiler or 
kettle; and the feventh contains four. 
‘The boilers are of iron, and are fupported 
by wooden pofts and bars, to which they 
are fafiened by ivon-cramps. ‘The boilers 
are heated by fyuare furnaces, which have 
a conical pipe for the paflage of the 
fmoke. The water which remains after 
the firf cryftallization is removed into a 
different boiler, and there prepared for a 
fubfequent cryfallization. A mixture of 
rock-ialt enriches this mother-water ; and 
a fecond quantity of falt is obtained. 
The falt in cryftals is then conveyed to 
fioves that are heated by pipes which con- 
vey away the imoke out. of the building. 
After a certain time of expofure before 
thofe Roves, the falt is then taken to the 
ftorchoufe, to be put up for fale. 
Thefe falt-works afford fubfiftence to 
‘not fewer than 453 men. ‘They produce 
an annual circulation of full 20,000 rix- 
‘dollars. “The greateit_ inconvenience :is, 
that they are too neas the fea for ready 
Analyfis of F.C. Fabricius's Travels in Norway. (Dec. 1, 
diftribution of the. falt in fale. Hence 
there are always twelve or thirteen thous 
fand tons of falt ready in the ftore-houfes. 
This falt, not anfwering well for the fith- 
eries, and being very fubjeét to melt when 
expofed to moilture, is not greatly valued 
in Norway. But it is very good of itéelf, 
and in large pyramidal cryftals ; and in 
cafes in which a very ftrong acrid falt is 
not wanted, it may be very properly ufed 
inftead of either Englifh or Lunenburgh 
falt. The capital originally fapplied by 
the King for thefe works was 107,000 
rix-dollars. It has, however, fuffered 
fome diminutien. The annual produce is 
25,000 tons of falt at two rix-dollars a 
ton. The principal fale is to Jutland, and 
the towns of the North, which, by a royal 
regulation, ought to take 7000 tons. 
The total fale, in the year 1777, was 
17,000 tons. . But, if there were a fufai- 
cient number of buyeis, thefe works might 
fupply, every year, 40,000 tons of cry- 
ftallized fait. : 
' (To be continued). 
ee 
For the Monthly Magazine. 
COLEANA. 
Confifiing of SELECTIONS of the curious 
Mss. bequeathed by thz late MR. COLE, 
to the BRITISH MUSEUM, and laiel 
opened. i 
JESUITS. 
WM ONSIEUR de Lande in his fecond 
ji volume p. 325, of his voyage d’uz 
Frangois e# Itaite, publithed at Venice, in 
eight volumes, 8vo. this prefent year, 
1769, {peaking of the Palazzo Riccardi, 
at Florence, which was built by Cofino 
the Great, of the houfe of Medici, in 
14.30, wio made it the afylum of men of 
letters in his time, thus writes: which 
fhews the invincible malice of a certain 
fet of people to the Jefuits, who undoubt. 
edly have encouraged and advanced learn. 
ing, more than any order or clafs of men 
whatever. But lies muft ceftroy them, 
if truth would preferve them. They 
fiand tco much in the way of thofe who 
want to ruin the church and chuiftianity 
at the fame time, of which thefe fathers 
have been, and are the great champions 
and defenders. coma 
<¢ Ua voyageur moderne dit, qu’) .eff 
d’etiquette 4 Florence, de dire aux etran- 
gersen leur neontrant le palais Ricardi; 
& le college des Jéfuites, qui eft vif-a-vis, 
woila le Berceau des letives, © voiei leur 
Tombeau: Je men, {eis\imformé, Ge’ bien 
des perfonnes, & tout le monde nya affuré 
n’avou jamais oui dixe a Flosence une pa- 
reille abfurdité,””, 7 a = 
INDEXES 
