vocaphones

Updated: May 10, 2025

It talks right out in meeting, too no transmitter to hold to the mouth, no receiver to hold to the ear. You see, this transmitter is so sensitive that it picks up even a whisper, and the receiver is placed back of those two megaphone-like pyramids." He was standing at a table, carefully packing up one of the vocaphones and a lot of wire.

Arthur B. (Arthur Benjamin) Reeve - The Exploits of Elaine