Many thanks to the following:

  • Dennis Franklin, K6DF, for permission to use the photograph of his Nye 320-001 Morse key. Dennis has more photographs of his Morse key collection on his website.
  • Wikipedia for the photographs of Samuel Morse, Alfred Vail, the telegraph sounder, the Vibroplex semi-automatic ("bug") key and the signal lamp.
  • Dave Lee, G6XUV, for permission to use the still of the giant Morse key taken from his You Tube video Giant Morse Key.
  • Naoyasu Hosoda, JO3HPM, for permission to include his article and photograph about his children and their friends making Morse keys.
  • Jari Vainio, OH6DC, for permission to use the photographs of his Strange CW Keys.
  • Dave Benson, K1SWL, owner of Small Wonder Labs, for permission to use the photograph of his Rockmite transceiver.
  • Ian Hogan, G6TGO, John Griffin M0CDL and Monique Smith for their help with suggestions and proof-reading.