I. AND MILLWKKUIT. ;;:;:; 



jrrird to modification ;m<l improvement from time i<> 

 lime, us experience JM .intcd out ; and in the course of a 

 lr\\ years, 1 trick, stone, and wood were alike discarded 

 in favour of iron; until, in 1763, we find Brindley 

 erecting a steam-engine for the Walker Colliery, at 

 NY w castle, wholly of iron, manufactured at Coalbrook- 

 dale, which was pronounced the most "complete and 

 noble piece of ironwork " that had up to that time been 

 produced. 1 But by this time Brindley's genius had 

 Uvu turned in. another direction; the invention of 

 the steam-engine being now safe in the hands of Watt, 

 who was perse veringly occupied in bringing it to com- 

 pletion. 



1 Stuart's ' Anecdotes of Steam-Engines,' p. fi'2(>. 



