Proceedings of the British Association. 



105 



He next directed particular attention to the subject of coal, and des- 

 cribed minutely the geographical position of the coal fields of France. 

 The rapid increase of coal raised in France is shown in the following 

 return : 



Coal raised in 1814 665,610 Tons. 



1826 1,879,225 Tons. 



1836 2,544,835 Tons. 



1841 3,410,200 Tons. 



Mr. Porter calculated that the quantity of coal raised in England 

 was about ten times the amount raised in France. 



The quantity of coal imported into France during 1841 was, 



From Belgium 992,226 Tons. 



Rhenish Provinces 196,502 Tons. 



From Britain 429,950 Tons. 



Other places 482 Tons. 



1,619,160 Tons. 



The following figures present the number of workmen employ- 

 ed in the different divisions of the iron manufacture, and the value 

 created in each of these divisions, in 1836 and 1841 : — 



1 . Extraction and pre- 1 

 paration of the ore j 



2. Production of pig- \ 



iron. 



3. 



Mai- 



leable iron / 



4. Drawing, rolling, &c. 



5. Moulding, casting,&c. 



Total, 



1836. 



No. of 

 Workmen 



17,557 

 6,776 



8,678 



8,615 

 2,149 



43,775 



Value 

 created. 



500,632 

 1,969,132 



1,506,247 



812,486 

 186,927 



4,975,424 



1841 



No. of 

 Workmen 



15,783 

 4,835 



11,148 



13,165 



2,899 



47,830 



Value 

 created. 



£. 

 556,211 



1,925,673 



1,749,810 



1,208,946 

 230,942 



5,671,582 



In Great Britain we make four tons for one ton made in France, 

 while the number of persons employed is greater in France than in 

 England: viz. 



In France , 47,830 



In Great Britain, 42,4 1 8 



