186 _ Miscellanies. 
fullest communication, and the use of but one wire as a conductor; 
although for greater convenience of communicating at all times, and 
of having a whole circuit at command from each extremity of the 
line he will use four wires. _ : 
On Sept. 2d, Prof. Morse tried an experiment with a circuit of 
copper wire one thousand seven hundred feet in length, and of the 
minimum size of No. 18 wire. The record of the Register was suf- 
ficiently perfect to demonstrate the practicability of the plan. On 
the 4th of September some slight changes were made in the ma- 
chinery, when the Register recorded panne the following signs: 
: 
2 
3S . P ~ 
= ri 8 O.>s : 
= a, 2, 
ae = ¢ 
Ss =) 50 2 
> <= a i oF i 
48 Bo 9 8 8 
. . pal anes 
s ~ 
ae | i 
i) ; 
2.9 a | a te 
S's Ces Cdl” ea 3 tines 
o& 4 = 
Ses °S So 
> 
= S 
=:5 
e= so 
2 be £ 
Pad ~o v5 
go § “ = = 
2 9 CD 5a" ° ae 
< © ° : 
. 
3 
~ 
Ss <t -S fot 
=] 3. oo 
> 3 . one 
5 s“~ 8 oo g 
8 S S 25 te: 
ae Bait 
The words in the dingratt were the intelligence transmitted. 
The ; » (in this i instance arbitrary,) are the numbers o - 
words in a ere tionary. 
