Items

• [CL221ABB], Letter from Frank Lewis Dyer to Thomas Alva Edison, March 3rd, 1910
  1910-03-03
• [D0941AAC1], Letter from Nelson C Durand to Frank Lewis Dyer, December 17th, 1909
  1909-12-17
• [D0942AAC], Memorandum, Peter Weber, January 29th, 1909
  1909-01-29
• [D1004AAF], Letter from Auguste L Saltzman to Frank Lewis Dyer, Thomas Alva Edison, October 11th, 1910
  1910-10-11
• [D1016AEG], Minutes, National Phonograph Co, November 17th, 1910
  1910-11-17
• [D1016AEO], Minutes, National Phonograph Co, December 8th, 1910
  1910-12-08
• [D1020AAZ], Letter from Frank Lewis Dyer to Harry Frederick Miller, March 18th, 1910
  1910-03-18
• [D1020ABW], Letter from Louis J Schramek to National Phonograph Co, July 17th, 1910
  1910-07-17
• [D1043AAL], Letter from Frank Lewis Dyer to Harry Frederick Miller, Frank K Dolbeer, March 25th, 1910
  1910-03-25
• [D1047AAO], Letter from Frank Lewis Dyer to Willard C Greene, April 7th, 1910
  1910-04-07
• [D1047AAT], Letter from Frank Lewis Dyer to George Francis Scull, June 1st, 1910
  1910-06-01
• [D1047ABC], Letter from Goodyear (Nelson) Inc to Edison Manufacturing Co, December 30th, 1910
  1910-12-30
• [D1049AAC], Letter from Frank Lewis Dyer to Delos Holden, May 23rd, 1910
  1910-05-23
• [D1050AAB], Letter from Thomas Alva Edison to Frank Lewis Dyer, January 20th, 1910
  1910-01-20
• [E1953AB], List, New Jersey Patent Co, February 19th, 1919
  1919-02-19
• [NA216067], Technical Note, Ademor Napoleon Petit, January 1910
  1910-01-00
• [NA216071], Technical Note, Ademor Napoleon Petit, February 1910
  1910-02-00
• [NB192ABPA], Technical Note, Charles Nicholaus Wurth, May 17th, 1910
  1910-05-17
• [NB192ABQ], Technical Note, Charles Nicholaus Wurth, June 2nd, 1910
  1910-06-02
• [NB192ABR], Technical Note, Charles Nicholaus Wurth, July 19th, 1910
  1910-07-19
• [NB192ABRA], Technical Note, Charles Nicholaus Wurth, July 20th, 1910
  1910-07-20
• [NP081D], Technical Note, Thomas Alva Edison, August 13th, 1909
  1909-08-13
• [NP083A] Technical Note, c. 1910
  1910-00-00
• [NP084A] Technical Note, c. 1910
  1910-00-00
• [NP085A], Technical Note, Thomas Alva Edison, November 1st, 1910
  1910-11-01
• [PT032AJT1], Technical Note, Thomas Alva Edison, October 26th, 1910
  1910-10-26