Items

Items

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  [E1929DB], Letter from Elmer Ellsworth Dougherty to Thomas Alva Edison, Chemical and Metallurgical Engineering, August 6th, 1919

  1919-08-06
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  [E1857BI], Memorandum, William Henry Meadowcroft, November 20th, 1918

  1918-11-20
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  [E1948AT], Letter from Woolsey McA Johnson to Thomas Alva Edison, May 1st, 1919

  1919-05-01
• No image

  [NA347105], Technical Note, Thomas Alva Edison, September 11th, 1920

  1920-09-11
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  [SC12027A], Interview, Henry B Clifford, May 7th, 1912

  1912-05-07