Results for "Inventions"

 
Showing results 1 - 3 of 3 for Inventions
  1. Drawing of the Electromagnetic Telegraph and Alpha Code

    Drawing of the Electromagnetic Telegraph and Alpha Code

    • Date: c. 1844
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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  3. Alfred Vail's Drawing of Many Circuits with One Battery

    Alfred Vail's Drawing of Many Circuits with One Battery

    • Date: c. 1844
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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  5. SI History Bibliography

    Professor Henry and His Philosophical Toys

    • Date: 1963
    • Creator: Blow, M
    • Creator: Blow, M

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Showing results 1 - 3 of 3 for Inventions