Odd Shout-O-Phone Spans Border (Jun, 1940)

Odd Shout-O-Phone Spans Border

FRIENDS and relatives on opposite sides of the French-Swiss border must exchange greetings across a forbidden zone seventy feet wide, but that doesn’t matter to the well-equipped conversationalist shown at the left. He talks through a megaphone, and listens with ear trumpets like airplane detectors, while his binoculars complete the illusion of nearness.

Related posts:

1. Radio Listens In On Phone Calls (Jul, 1936)
2. Megaphone Features “Mike” (Apr, 1939)
3. Plastic Shell Equips Phone For Two-Way Listening (Nov, 1953)
4. How soon will you be able to see over the phone? (Aug, 1956)
5. New Phone Rings Loud or Soft (Jun, 1949)