Written by the leading expert, Perera's Telegraph Collectors Guide
is the most complete source of information for all those interested in telegraph keys from beginner to avid collector. Learn the historical background of telegraph keys and details of keys available from the early 1830ís through today. Includes tips on restoring telegraph keys, current prices, and a valuable cross referenced-index of the material.
- Morse code keys
- Semi-automatic keys or "bugs"
- Spark & wireless keys
- Homemade and novelty keys
- Radio keys
- Military keys from around the world
Also available: Perera's Telegraph Collectors Reference CD
Third edition. © 2008, Tom Perera PhD. Published by Radio Society of Great Britain (RSGB).