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Smithsonian Associates - Entertaining, Informative, Eclectic, Insightful

Object of the Day for July 23

Telegraph Key

Telegraph keys are electrical switches used to send messages in code. The message travels as a series of electrical pulses through a wire. This British key was designed for use on underwater telegraph cables

Telegraph Discovery

Dots and Dashes - How it all works.

  1. The Key- Object Discovery
  2. Understanding Morse Code
  3. Read about its Discovery