74 ~— Biographical Notice of Alexander Volta. 
what great theoretical and experimental discoveries the pile 
as been the origin 
. Ampere had for a long time meditated on this subject, 
and he appeared only to wait for a favorable opportunity, to 
give vent to the results of his meditations, when the discov- 
ery of Oersted suddenly appeared, he immediately availed 
himself of it, and by his labors, laid the foundation of anew 
MISUU 
The first step that M. Ampere made on electro-dynamics, 
lar movements of continual rotation discovered by Mr. 
day, with the action of magnets w one another 
expla’ 
on 
by supposing that the latter are formed by. 
Lastly, -he has 
