SOME REMARKS, ETC. 
211 
•catalogue of the recent collection of scientific apparatus at South 
Kensington, shews that other countries have likewise produced 
a large number — many, for instance, under Class 3, p. 5. 
Nevertheless, the consideration which has been given of these 
methods appears to shew that there is yet wide room for 
improvement, and that the results furnished by them are yet 
neither as satisfactory nor in as simple form as could be desired. 
