Iron made in Number
Great Britain. of
Tons. Furnaces.
In 1740 17,000 59
1788 68,000 85
1796 125,000 121
1806 250,000
1820 400,000
1827 690,000 284

The difference iron districts in which it is made are as under, in 1827:

Tons. Furnaces.
South Wales, 272,000 90
Staffordshire, 216,000 95
Shropshire, 78,000 31
Yorkshire, 43,000 24
Scotland, 36,500 18
North Wales, 24,000 12
Derbyshire, 20,500 14

"About 3/10ths of this quantity is of a quality suitable for the foundry,
which is all used in Great Britain and Ireland, with the exception of a
small quantity exported to France and America. The other 7/10ths is made
into bars, rods, sheets," &c. It will be seen that the make of the Welsh
furnaces is much greater with reference to their number, than that of any
other district. By a Parliamentary paper, it is stated that in 1828, of
"Iron and Steel, wrought and unwrought," there were exported from Great
Britain, 100,403 tons, of the _declared_ (under real) value of