Compendium of Automatic Morse Code

Trace the evolution of automatic Morse code devices from the early 1800s to today through this informative text and over 1,100 photos. Beginning with an overview of telegraphy and early key history, fifteen sections explore the equipment used to send messages over long distances. Featured are code readers, oscillators, Morse trainers, electronic keyers, single— and dual—lever paddles, portable paddles, automatic mechanical keys, accessories, and more. Each device is presented in text and im...