On the Electric Telegraph of Prof: Morse. 69 
From Buffalo to Detroit, . ‘ ‘ , 350 miles. - 
85 etroit to Milwaukie, . ; m 350. 
‘* Bridgeport to Montreal, . . , a0g, _.5 
** Norwich to Worcester, . : , ete? 
*¢ Louisville to St. Louis, . ; : 300 * 
1385 ...** 
by ais 
Moda ce 
Contemplated. 
From Macon to Florida. : 
** Macon to Tennessee, . ‘ : 1000 miles. 
“©  $t. Louis to New Orleans, 3 : 1000 * 
2000 “* 
In computing the extent of lines in operation, the length of 
duplicate wires has not been taken into consideration ; this will 
Lines complet 
piete, : 2,989 miles. 
Second wires complete, ad eb 
Lines in progress, . . . hie eet eee 
** contemplated, . ; : : se EAB OOO 
wires in progress, é ; é 2,678 * 
11,000 «© 
