{ ; “Miscellaneous Intelligence. 289 
ots inventor hairpatteited a means of preparing and transmitting com- 
munication h more rapidly than the ordinary manipulations with 
the : ‘Tosaccomplish this, strips of paper a perforated by ma- 
=e in such a manner that the perforations may oo: to the 
" ibprctenting théletters, figures, or words, and by means of these 
" petforati ons and the intervening spaces, or whole portions of his paper, 
‘the circuit is broken and closed with as great rapidity as a slight spring 
pressing upon a strip of paper can be made toact. It is ~_ necessary 
aconsiderable weight, they n e made of a corresponding strength ; 
and, moreover, as they have : made the sportive targets of lawless 
that the air is impervious to galvanic electricity, all that can return to 
. its source between two distant stations, without travelling the whole 
€d to think however, that the air, when loade eal mo intend is a con- 
ductor of galvanic as well as of mechanical electricity, as indicated by 
my €xperiments, several years since, with the immense copper roof of 
t Office, for 
° Theo cwising of rivers sand large bodies of water, by means of sub- 
) does not.seem yet to have been attained, and the chief 
6, Plan which | Proposed ‘several years since appears to be worthy of 
trial. It consists in using a local circuit and battery of eames at each 
— body of water. The sai alge ~~ 
Serres, Vol. XI, No. 32.—March, 185 
Se ee 
