I 



47 



78 



STATISTICS. 



[Sect. XV 



artificial canals, it may not be difficult to learn ; recording 

 the direc Lion and the length of each, and the size of 

 sels in which the traffic can be conveyed. In the case of 

 canals, it will be interesting to know tiie date of their 



ves- 



^^-■-uction, and, if possible, their cost, as well ds the 

 nature and amount of goods conveyed upon them (and 



y 



srree 



which their construction has answered, both for the 

 advantage of the community and the profit of the owners. 

 ITie interest which attaches to railroads, in most places 

 where they have been introduced, has been such as to 

 cause every publicity to be given to their statistical 

 conditions, and printed accounts, in which every question 

 that it may be necessary to asls concerning them may be 



easily procurable, and should be secured. 



The manufacturing industry of a country will naturally 

 claim attention from every inquirer, who, in the probable 

 absence of all precise inforraation concerning its exto..t, 

 will endeavour to supply its place by means of such cir- 

 cumstantial information as he can bring to bear upon the 



With respect to such branches of manufacture 



raw^ material upon foreign supply, it 



as depend for their 



will not be very difficult to arrive' at a tokrably close 

 approximation to the truth, in regard to the quantity of 



ch cases are comparatively fev.^, 



SI 



use 



bl 



7 

 A. 



however, and with regard to those branches of iudustrj 

 which derive their material partly or wholly from the 

 r: tr-e soil, the person who visits any countrj^ must usually 

 content himself wdth such statements as he can draw from 

 trustworthy persons, preferring those accounts, if any 



such there be, which, having hcen published to the world, 





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