KIDS DIRECTORY

Results On The Web: 1 - 2 of 2

1. Competition over the Harmonic Multiple Telegraph

   Detailed but informative info on Gray's invention of the multiple harmonic telegraph.

   http://repo-nt.tcc.virginia.edu/book/chap3/chapter3sec4.html

   
   

2. Elisha Gray and the "Musical Telegraph"

   Learn about the invention of one of history's first electronic instruments.

   http://www.obsolete.com/120_years/machines/telegraph/

   
   

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