
Wiring was strung on telephone poles to and from recording instruments and the operators. The pegs in the poles where the wires connect are porcelain caps that insulate the wire and pole from the ground.
White Sands Missile Range Museum
Atomic. Missile. Space. Birthplace of American Ages.
Wiring was strung on telephone poles to and from recording instruments and the operators. The pegs in the poles where the wires connect are porcelain caps that insulate the wire and pole from the ground.