Substitution Cipher
Paul Paddock describes the history of ciphers and explains some basics using simple examples.
The Magic Lure Of Ciphers (original article)
Oct 302010
Police Radio
This short news item describes an early German police radio. Pretty cumbersome.
Radio Set For Police Alarm Strapped To “Cop’s” Back (original article)
Oct 052010
Carrier Pigeon
By the time this article was written the advancements in radio technology were making carrier pigeons obsolete. The author, James Nevin Miller, describes the critical role carrier pigeons played before the radio communication era. Today, the carrier pigeon tradition lives on as a sport of dedicated amateurs.
The Passing Of The Carrier Pigeons
American Racing Pigeon Union
First TV Show
This article speaks of the “first” television show and explains the technology behind this new technology. It is worth reading to help us place into proper perspective how much we have come in communication technology.
Mini Typewriter
Next time you text on your phone, use your PDA, iPod and such you should think of this product. The quest for the portability of communication devices started a long, long time ago.
You Can Balance This Typewriter on Your Hand
Sep 172010
Rudimentary Light Phone
This short piece describes the work of Professor A. O. Rankine, whose apparatus transmitted sound over a beam of light.
Telephoning Over a Ray of Light
