Items

Items

• 

  [D8426K], Letter from Edison (Thomas A.) Construction Dept, Alfred Ord Tate to Charles Edward Chinnock, March 17th, 1884

  1884-03-17
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  [D9032AAG], Report from William Dennis Marks, Edison Electric Light Co of Philadelphia, February 19th, 1890

  1890-02-19
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  [D9032AAO], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, April 16th, 1890

  1890-04-16
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  [D9032AAY], Report from Edison Electric Light Co of Philadelphia, William Dennis Marks, November 19th, 1890

  1890-11-19
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  [D9124AAE], Letter from William Dennis Marks to Thomas Alva Edison, February 3rd, 1891

  1891-02-03
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  [D9124AAG], Letter from William Dennis Marks to Thomas Alva Edison, February 27th, 1891

  1891-02-27
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  [D9124AAQ], Letter from William Dennis Marks to Henry Wilson Spangler, University of Pennsylvania, May 7th, 1891

  1891-05-07
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  [D9124AAR], Letter from John E Codman, Henry Wilson Spangler to Samuel Baird Huey, May 19th, 1891

  1891-05-19
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  [SC91009B1], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to William Henry Wahl, Franklin Institute, February 2nd, 1891

  1891-02-02