Spies. Devices for preventing spies from tapping telegraph and telephone wires, letter transmitting, in response,to resolution, reports from chief of intelligence branch of General Staff relative to any devices known to War Department to prevent spies from tapping telegraph and telephone wires.
Publication Title:
Spies. Devices for preventing spies from tapping telegraph and telephone wires, letter transmitting, in response,to resolution, reports from chief of intelligence branch of General Staff relative to any devices known to War Department to prevent spies from tapping telegraph and telephone wires.
Display Title:
Spies. Devices for preventing spies from tapping telegraph and telephone wires, letter transmitting, in response,to resolution, reports from chief of intelligence branch of General Staff relative to any devices known to War Department to prevent spies from tapping telegraph and telephone wires.