signal lamp (Q2006782)

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visual signaling device for optical communication
  • Aldis lamp
  • Directional Flashlight
  • Morse lamp
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Language Label Description Also known as
English
signal lamp
visual signaling device for optical communication
  • Aldis lamp
  • Directional Flashlight
  • Morse lamp

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Seaman send Morse code signals.jpg
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Identifiers

 
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