Annual Report of the Chief Signal Officer Made to the Secretary of War for the Year ..
United States. Army. Signal Corps
1880 оны 1-р сар · U.S. Government Printing Office
Электрон ном
1052
Хуудас
Энэ электрон номын тухай
The work covers military signaling and the weather service. The latter brand was transferred in 1890, to the Weather Bureau, organized under the Dept. of Agriculture.