FUEL 



499 



Most persons interested in the uses of coal for manufacturing purposes will be 

 able to calculate readily the value of any of those coals as fuel. 



The following Table will show in a yet more satisfactory manner the value of varie- 

 ties of coal as fuel. 



Report of Trials of Coals at Woolwich Dockyard, between February 9, 1848, and 

 March 31, 18o8. 



