[ 473 ] 
Ele&ricians the prefence of this wonderful gueft, I 
Ihould certainly felicitate our Invalids on their ac- 
quifition, but that the Leyden phial contams all his 
magic power, 
I remain, with true efteem, 
DEAR SIR, 
Your affe&ionate and obedient fervant, 
JOHN WALSH. 
Vol. LXIV. 
p P p 
XLVII. Dt- 
