140 Miscellaneous Intelligence. 
of the soundness of the opinion ; and this was the chief object which 
M. Oersted had in view. From quent conversation, how- 
ever, with Mr. Grove, he was inclined to be more doubtful of this 
explanation. Mr. Grove said, that inasmuch as a falling body was 
moving between electrical currents, placed both north and south of its 
line of fall, in his opinion the effect of the one would counterbalance 
that of the other, so as together to produce no effect.—M. Oersted said 
the point of the lake where reflection takes place, and is, therefore, 
lake, it is easily shown by trigonometry that the height of the cloud 
above the level of the lake is 
11. Hydrodynamics, (Proc. of Brit. Assoc., in Atheneum, Sept. 19, 
p. 963.)—An elaborate report on fluid motion, waves and tides, dis- 
charge of gases through small orifices, sound, simultaneous oscillations 
of fluids and solids, and other points in Hydrodynamics, was read be- 
fore the British Association, by G. B. Stoxes. Under the head of 
waves, the researches of Mr. Green, Prof. Kelland, and Mr. Airy were 
Brit. Assoc., 
: d, 
from the the Atheneum, Sept. 19, 1846.)—Mr. Wangan concluded 
