Items

Items

• 

  [CL207ABO], Letter from William Edgar Gilmore to Frank Lewis Dyer, October 22nd, 1903

  1903-10-22
• 

  [D1016AAT], Letter from Charles Schiffl to Thomas Alva Edison, February 19th, 1910

  1910-02-19
• 

  [E1188AD], Letter from William Henry Meadowcroft to Thomas Alva Edison, August 15th, 1911

  1911-08-15
• 

  [E1188AL], Letter from Jonas Walter Aylsworth to Thomas Alva Edison, August 25th, 1911

  1911-08-25
• 

  [E1287AO], Letter from William Henry Meadowcroft to Thomas Alva Edison, March 22nd, 1912

  1912-03-22
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  [NA154AAA], Technical Note, Thomas Alva Edison, April 20th, 1909

  1909-04-20
• No image

  [NA155AAA], Technical Note, Thomas Alva Edison, April 20th, 1909

  1909-04-20
• No image

  [NA155AAB], Technical Note, Thomas Alva Edison, August 6th, 1910

  1910-08-06
• No image

  [NA216183B], Technical Note, Thomas Alva Edison, February 11th, 1910

  1910-02-11
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  [NA216183D] Technical Note, February 1910

  1910-02-00
• No image

  [NA216183E], Technical Note, Thomas Alva Edison, March 7th, 1910

  1910-03-07
• No image

  [NA216183G] Technical Note, 1909-1911

  1909-1911
• No image

  [NA219002], Technical Note, Thomas Alva Edison, January 3rd, 1912

  1912-01-03
• No image

  [NA219198A], Technical Note, Thomas Alva Edison, January 1912

  1912-01-00
• No image

  [NA219198B], Technical Note, Thomas Alva Edison, January 1912

  1912-01-00
• No image

  [NB187AAA] Technical Note, November 1910

  1910-11-00
• No image

  [NB215025], Technical Note, W Jones, May 5th, 1911

  1911-05-05
• No image

  [NB256AAA], Technical Note, Harold Hooper Smith, August 2nd, 1913

  1913-08-02
• No image

  [NP081E], Technical Note, Thomas Alva Edison, August 19th, 1909

  1909-08-19
• No image

  [NP082A] Technical Note, c. 1910

  1910-00-00
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  [NP084A] Technical Note, c. 1910

  1910-00-00
• No image

  [NP085A], Technical Note, Thomas Alva Edison, November 1st, 1910

  1910-11-01
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  [NP086A], Technical Note, Thomas Alva Edison, 1911

  1911-00-00
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  [NP088025], Diary, Thomas Alva Edison, February 25th, 1911

  1911-02-25
• No image

  [NP088052], Diary, Thomas Alva Edison, March 1911

  1911-03-00
• No image

  [NP088081], Diary, Thomas Alva Edison, April 1911

  1911-04-00
• No image

  [NP088107], Diary, Thomas Alva Edison, May 1911

  1911-05-00
• No image

  [NP089017A], Diary, Thomas Alva Edison, May 1911

  1911-05-00
• No image

  [NP089063], Diary, Thomas Alva Edison, June 1911

  1911-06-00
• No image

  [NP090048], Diary, Thomas Alva Edison, December 26th, 1911

  1911-12-26
• No image

  [NP090102], Diary, Thomas Alva Edison, January 30th, 1912

  1912-01-30
• No image

  [NP093001], Diary, Thomas Alva Edison, July 1912

  1912-07-00
• No image

  [NP093042], Diary, Thomas Alva Edison, July 1912

  1912-07-00
• 

  [PT032AIF1], Legal Testimony, Frank Lewis Dyer, Thomas Alva Edison, August 19th, 1911

  1911-08-19
• 

  [PT032AIG1], Legal Testimony, Frank Lewis Dyer, Thomas Alva Edison, August 19th, 1911

  1911-08-19
• 

  [PT032AII1], Legal Testimony, Frank Lewis Dyer, Thomas Alva Edison, August 19th, 1911

  1911-08-19
• 

  [PT5029], Patent Application, Thomas Alva Edison, August 1st, 1911

  1911-08-01
• 

  [PT5057], Patent Application, Thomas Alva Edison, July 15th, 1912

  1912-07-15
• 

  [PT5057A], Legal Testimony, U.S. Patent Office. Examiner, July 14th, 1916

  1916-07-14
• 

  [PT5057C], Legal Decision, U.S. Patent Office. Examiners-in-Chief, January 13th, 1917

  1917-01-13
• 

  [PT5065], Patent Application, Thomas Alva Edison, November 19th, 1912

  1912-11-19
• 

  [PT5069], Patent Application, Thomas Alva Edison, April 10th, 1913

  1913-04-10
• 

  [PT5075], Patent Application, Thomas Alva Edison, February 3rd, 1914

  1914-02-03
• 

  [PT5098], Patent Application, Thomas Alva Edison, September 28th, 1916

  1916-09-28
• 

  [PT5098A], Letter from William Abbott Hardy to Thomas Alva Edison, October 15th, 1918

  1918-10-15
• 

  [QP018AAA], Letter from U.S. Patent Office. Commissioner, Frederick Innes Allen to Thomas Alva Edison, November 11th, 1902

  1902-11-11
• 

  [QP018AAD], Legal Testimony, Thomas Alva Edison, November 18th, 1902

  1902-11-18
• 

  [QP018AAE], Letter from U.S. Patent Office. Commissioner, Frederick Innes Allen to Thomas Alva Edison, March 7th, 1903

  1903-03-07
• 

  [QP018AAF], Memorandum, Frank Lewis Dyer, April 13th, 1903

  1903-04-13