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92 Great Aurora of 1859. 
Art. XII.—The Great Auroral Exhibition of August 28th to 
September 4th, 1859.—(2d ARTICLE.) 
* 
In our last Number* we gave some observations of this grand — 
auroral exhibition, from a number of stations widely distant 
from each other. We now put on record some facts observed 
respecting the influence of the Aurora upon the wires of the 
electric telegraph. We hope in our next Number to be able 
to communicate additional intelligence respecting this Aurora. 
1, Observations made at Boston, Mass., and its vicinity by GHORGE 
. Prescorr, Telegraph Superintendent. : 
k 
Aurora Borealis, which ye ea took possession of all the tel 
the city, and effectually prevented 
ih 
from data recorded in my journal at that time the following pat : 
the positive, by the depression of the key, 
The line extended in a direction nearly northeast 
west. The paper was prepared with a solution of cyan 
render it quite sensitive to the action of 
The stylus was made of No. 30 iron wire. 
* Vol. xxviii, p. 385-408, 
