lns1122: Civil War - Union Army - Signal Corps beginning
lns1122: Gen Albert J Myer, the force behind the early Signal Corps
lns1122: Signal Corps Signal patch
lns1122: Telegraph
lns1122: What is a flying telegraph?
lns1122: The Signal Corps in the West
lns1122: James River 1864
lns1122: Telegraph Lines
lns1122: Telegraph lines
lns1122: Signal Service stations
lns1122: Meteorological Service
lns1122: Lighting the light
lns1122: WWI 1918 France
lns1122: Wire cart
lns1122: Signal Corps photography
lns1122: Equipment
lns1122: WWI France
lns1122: Messages
lns1122: Signal Corps WWI
lns1122: Hello Girl at work
lns1122: The Hello Girls
lns1122: Switchboard
lns1122: Signal lamp
lns1122: Signal Corps museum lamp
lns1122: The Pigeon Service
lns1122: Launching pigeon
lns1122: Schematic Diagram for attaching pigeon whistle
lns1122: Flag
lns1122: Australia 1942
lns1122: Signal Corps message center