Interesting collections and history

• Eliseo Chiarucci, Telegraph Key Collector:
  http://www.morsekey.net
   

• Antique radio Magazine:
  http://www.antiqueradio.it/
   

• The home page of Louis Meulstee, the author of "WIRELESS FOR THE WARRIOR" series of books devoted to the technical  history and development of British Army radio communication.
  http://home.planet.nl/~meuls003/
   

• http://www.rkk-museum.ru/
   

• Radio comunicazioni militari nella seconda guerra mondiale
  http://www.roverjoe.com/
  
  

• Tracce di storia  - Associazione storico culturale
  http://www.traccedistoria.it/
  
  

• THE ELECTRON AGE
  http://www.fazano.pro.br
  
  

• Sito ufficiale della storica azienda "UNDA RADIO"
  http://www.undaradio.com/