Results for "alfred vail samuel morse"

1. 

   Notes on the Operation of Telegraph Lines

   • Date: c. 1850
   • Creator: Vail, Alfred
   • Creator: Vail, Alfred

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3. SI History Bibliography

   Joseph Henry: Inventor of the Telegraph?

   • Date: 1999-2007
   • Creator: Hochfelder, David 1965-
   • Creator: Hochfelder, David 1965-

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