Miscellaneous Intelligence. 153 
We will now consider briefly the economic importance of these differ- 
ent industries : 
Sulphur.—The annual product of all the sulphur mines of Italy is 
estimated at 300,000 tons, valued at thirty millions of franes. In 1830 
the product was only one-tenth part what it is at present. Sicily pro- 
duces the greater portion, while the Romagna produces 8000 tons, and 
this amount is constantly increasing. The employment of large furnaces 
of a new form is considered an important improvement, increasing the 
product by one-fifth and considerably diminishing the disengagement of 
sulphurous acid. j 
ron.—The production of iron in Italy which does not probably ex- 
ceed 35,000 tons of cast iron per annum, is restricted chiefly by the 
y of i 
Per 100 kilograms, according to the distance of the market from the 
. Place of production. : 
ad.—The production of lead is about 7000 tons; the island of 
Sardinia alone furnishes 17,000 tons of galena. They have recently un- 
dertaken to remelt the old scoriee which are found in immense quanti- 
“°pper—The annual production of copper is 1500 tons, obtained 
Principally from the mines of Montecatini and Capanne-vecchi in Tus- 
cany, Agordo in Venetia, and the Val d’Aosta. The ores of copper are 
generally diffused throughout Italy, but the deposits are seldom suffi- 
“ently rich to be wrought with profit. : é apo 
cic Acid.—The product of the Suffioni, in the province of Pisa, is 
F two millions of kilograms, of which 1,800,000 are derived from the estab- 
ments founded by Count Francesco de Larderell, the founder of this 
t time. 
stibles—The mineral coal, properly so called, found in Italy, is 
Mesa in the province of Novara furnish hae kilograms of metallic 
annually, for which a ready market is found. baie, 
1 Gold The huriferons pyrites f the Alps, treated by amalgamation, 
Produce nearly 500,000 francs in gold per annum. ae 
Manganese.—The mines of St. Marcel and Framura are the principal 
a of manganese, the production of which amounts to 1000 tons 
annum, : ‘ 
Anti — 50 tons of antimony per 
ioume Tuscany produces more than 
| fain on an average five per cent of nickel, and the reducing works o: 
this metal has consider- 
-—The depreciation of the price of The annual product is 
Mercury 
ably diminished its production in Tuscany. 
$500 kilograms. 
2240 Taser ie the metrie system is 1000 kilograms, and the English long ton (of 
18 1016 kilograms. 
AX Jour. Scl—Srconp Serres, Vou. XXXII, No. 97.—Jan., 1862. 
20 
