84 Abbe on Weather Telegraphy in the United States. 
1847. ‘The extended lines of telegraph will furnish a ready — 
means of warning the more northern and eastern observers to 
be on the watch for the first appearance of an advancing storm.” — 
1848. “Asa part of the system of meteorology, it is pro- — 
posed to employ, as far as our funds will permit, the magnetic — 
telegraph in the investigation of atmospherical phenomena.... 
The advantage to agriculture and commerce to be derived from | 
a knowledge of the approach of a storm by means of the tele _ 
graph, has been frequently referred to of late in the public jour- — 
nals; and this we think is a subject deserving the attention of | 
the Government.” © | 
1849. “Successful applications have been made to the pres: | 
idents of a number of telegraph lines to allow us at a certain — 
period of the day the use of the wires for the transmission of | 
meteorological intelligence... ... as soon as they [certain 
instruments, &c.,] are completed, the transmission of observa- — 
tions will commence.” / 4 
[It was contemplated to constitute the telegraph operators 
the observers]. : 
1850. “This map [an outline wall map] is intended to be 
used for presenting the successive phases of the sky over the 
whole country at different points of time, as far as reported.” | 
1851. “Since the date of the last report the system partic: | 
ularly intended to investigate the nature of American storms | 
immediately under the care of the Institution, has been con- — 
tinued and improved.” a 
The system of weather reports thus inaugurated continued in | 
regular operation until 1861, when the disturbed condition of | 
the country rendered impogsible its further continuance. Mean- 
while however the study of these daily morning reports had | 
led to such a knowledge of the progress of our storms, that in | 
the Report for 1857, Prof. Henry writes : t 
1857. “We are indebted to the National Telegraph Line for 
a series of observations from New Orleans to New York and as 
daily 
the North 
