Results for "Henry, Joseph, 1797-1878"

 
Showing results 1 - 2 of 2 for Henry, Joseph, 1797-1878
  1. Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences

    Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences

    • Date: April 1878

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  3. SI History Bibliography

    The development of electrical technology in the 19th century

    • Date: 1962
    • Creator: King, W. James (William James) 1915-
    • Creator: King, W. James (William James) 1915-

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Showing results 1 - 2 of 2 for Henry, Joseph, 1797-1878