FIELD TELEPHONE SWITCHBOARD
Electricity - Fundamentals of
October 24, 1941
1st. Army Maneuvers in the Carolinas ... Soldiers of the 55th. Signal Bn. Co. B, are shown testing a field telephone switchboard set up in a truck.
These soldiers are of the 1st. Army Corps in bivouac at Kershaw, S.C.
Original Caption by Science Service