Evening Republican, Volume 23, Number 156, Rensselaer, Jasper County, 29 June 1920 — Rapid Communication. [ARTICLE]

Rapid Communication.

A receiver which takes down dots and dashes on sensitized tape at the rate of 200 words a minute is the latest device in wireless telegraphy. As the human ear cannot interpret a message so rapidly delivered the transmission cannot be understood except at stations using thh machine.