Items

• 

  [Z100DW], Letter from Lyon Playfair to Frank Ives Scudamore, December 24th, 1873

  1873-12-24
• 

  [Z100DV], Letter from Robert McIlwraith to Lyon Playfair, December 22nd, 1873

  1873-12-22
• 

  [X119UA], Incorporation Record, Harmonic Telegraph Co, May 26th, 1876

  1876-05-26
• 

  [X111BH], Letter from Thomas Alva Edison to Marshall Lefferts, May 5th, 1876

  1876-05-05
• 

  [X154A3AK], Report from Edison Telephone Co of London Ltd, Edward Hibberd Johnson, September 4th, 1879

  1879-09-04
• 

  [X106A], Letter from Thomas Alva Edison to William Orton, July 27th, 1876

  1876-07-27
• 

  [X099BE029], Minutes, American Speaking Telephone Co, May 23rd, 1878

  1878-05-23
• 

  [X099AE], Letter from Thomas Alva Edison to Norman C Miller, September 6th, 1876

  1876-09-06
• 

  [X099AD], Patent Application, Thomas Alva Edison, August 18th, 1876

  1876-08-18
• 

  [X099AC], Letter from Thomas Alva Edison to William Orton, February 15th, 1876

  1876-02-15
• 

  [X001C7AA], Letter from Frederick C Young to Harold D Stanley, January 3rd, 1929

  1929-01-03
• 

  [X012L2B], Technical Note, Thomas Alva Edison, May 16th, 1877

  1877-05-16
• 

  [X012L2A], Technical Note, Thomas Alva Edison, March 23rd, 1877

  1877-03-23
• 

  [X001A1BC], Letter from Thomas Alva Edison to Franklin Hodgkins Badger, October 13th, 1877

  1877-10-13
• 

  [W100DJ005], Legal Testimony, Thomas Alva Edison, January 11th, 1889

  1889-01-11
• 

  [W100BA4A], Patent Application, Thomas Alva Edison, February 28th, 1878

  1878-02-28
• 

  [TI2516], Article, Journal of the Telegraph, July 16th, 1877

  1877-07-16
• 

  [TI2508], Agreement, Western Union, Thomas Alva Edison, May 31st, 1878

  1878-05-31
• 

  [TI2506], Agreement, Thomas Alva Edison, Western Union, December 14th, 1875

  1875-12-14
• 

  [TI2500], Patent Caveat, Thomas Alva Edison, January 13th, 1876

  1876-01-13
• 

  [TI2499], Patent Caveat, Thomas Alva Edison, January 13th, 1876

  1876-01-13
• 

  [TI2498], Patent Caveat, Thomas Alva Edison, January 13th, 1876

  1876-01-13
• 

  [TI2497], Patent Caveat, Thomas Alva Edison, November 22nd, 1875

  1875-11-22
• 

  [TI2465], Untitled

  1875-11-00
• 

  [TI2462], Untitled

  1875-11-00
• 

  [W100ABH], Patent Caveat, Thomas Alva Edison, January 26th, 1876

  1876-01-26
• 

  [W100ABF], Patent Caveat, Thomas Alva Edison, January 13th, 1876

  1876-01-13
• 

  [W100ABD], Patent Caveat, Thomas Alva Edison, January 13th, 1876

  1876-01-13
• 

  [W100ABB], Patent Caveat, Thomas Alva Edison, November 22nd, 1875

  1875-11-22
• 

  [TI2035], Patent Caveat, Thomas Alva Edison, December 15th, 1877

  1877-12-15
• 

  [TI2034], Patent Caveat, Thomas Alva Edison, December 8th, 1877

  1877-12-08
• 

  [TI1018], Legal Testimony, Robert Treat Spice, January 4th, 1881

  1881-01-04
• 

  [TI1017], Legal Testimony, Edward Hibberd Johnson, December 11th, 1880

  1880-12-11
• 

  [TI1016], Legal Testimony, Josiah Custer Reiff, December 10th, 1880

  1880-12-10
• 

  [TI1015], Legal Testimony, Zenas Fisk Wilber, December 10th, 1880

  1880-12-10
• 

  [TI1008], Legal Testimony, Thomas Alva Edison, September 25th, 1878

  1878-09-25
• 

  [TI1004], Legal Testimony, Thomas Alva Edison, September 25th, 1878

  1878-09-25
• 

  [TI1003], Legal Testimony, Thomas Alva Edison, September 25th, 1878

  1878-09-25
• 

  [TI1001], Legal Testimony, Thomas Alva Edison, September 25th, 1878

  1878-09-25
• 

  [PT008B], Patent Caveat, Thomas Alva Edison, January 14th, 1876

  1876-01-14
• 

  [PT007A047], Patent Caveat, Thomas Alva Edison, July 1876

  1876-07-00
• 

  [PT007A037], Patent Caveat, Thomas Alva Edison, January 20th, 1876

  1876-01-20
• 

  [PA011], Article, Thomas Alva Edison, 1880

  1880-00-00
• 

  [NV15174], Technical Note, Thomas Alva Edison, August 7th, 1877

  1877-08-07
• 

  [NV15173], Technical Note, Thomas Alva Edison, November 5th, 1877

  1877-11-05
• 

  [NV15136], Technical Note, Thomas Alva Edison, July 28th, 1876

  1876-07-28
• 

  [NV15133], Technical Note, Thomas Alva Edison, January 11th, 1875

  1875-01-11
• 

  [NV15132], Technical Note, Thomas Alva Edison, May 10th, 1876

  1876-05-10
• 

  [NV15107], Technical Note, Thomas Alva Edison, May 8th, 1876

  1876-05-08
• 

  [NV15094], Technical Note, Charles Nicholaus Wurth, Thomas Alva Edison, February 15th, 1876

  1876-02-15
• 

  [NV15072], Technical Note, Charles Nicholaus Wurth, Thomas Alva Edison, February 6th, 1876

  1876-02-06
• 

  [NV15070], Technical Note, Thomas Alva Edison, July 12th, 1876

  1876-07-12
• 

  [NV15051], Technical Note, James Adams, July 27th, 1876

  1876-07-27
• 

  [NV13118], Technical Note, Thomas Alva Edison, November 19th, 1877

  1877-11-19
• 

  [NV12060], Technical Note, Charles Batchelor, Thomas Alva Edison, July 26th, 1877

  1877-07-26
• 

  [NV12035], Untitled

  1877-07-20
• 

  [NV11066], Untitled

  1877-04-19
• 

  [NV11011], Technical Note, Charles Batchelor, Thomas Alva Edison, February 11th, 1877

  1877-02-11
• 

  [NV11007], Technical Note, Thomas Alva Edison, James Adams, February 6th, 1877

  1877-02-06
• 

  [NV10DOC749], Technical Note, Thomas Alva Edison, Charles Batchelor, May 8th, 1876

  1876-05-08
• 

  [NV10116], Technical Note, Thomas Alva Edison, November 17th, 1876

  1876-11-17
• 

  [NV10114], Untitled

  1876-10-06
• 

  [NV10113], Untitled

  1876-10-06
• 

  [NV10112], Technical Note, Thomas Alva Edison, October 6th, 1876

  1876-10-06
• 

  [NV10111], Technical Note, Thomas Alva Edison, October 5th, 1876

  1876-10-05
• 

  [NV10110], Technical Note, Thomas Alva Edison, John Kruesi, James Adams, Charles Batchelor, August 20th, 1876

  1876-08-20
• 

  [NV10108], Untitled

  1876-08-06
• 

  [NV10107], Technical Note, Thomas Alva Edison, James Adams, August 6th, 1876

  1876-08-06
• 

  [NV10106], Untitled

  1876-08-02
• 

  [NV10105], Technical Note, James Adams, August 2nd, 1876

  1876-08-02
• 

  [NV10099], Technical Note, Thomas Alva Edison, August 1st, 1876

  1876-08-01
• 

  [NV10098], Untitled

  1876-08-01
• 

  [NV10097], Untitled

  1876-08-01
• 

  [NV10096], Untitled

  1876-08-01
• 

  [NV10095], Untitled

  1876-08-01
• 

  [NV10094], Untitled

  1876-08-01
• 

  [NV10093], Untitled

  1876-08-01
• 

  [NV10092], Untitled

  1876-08-01
• 

  [NV10091], Untitled

  1876-08-01
• 

  [NV10090], Untitled

  1876-08-01
• 

  [NV10089], Untitled

  1876-08-01
• 

  [NV10088], Technical Note, Thomas Alva Edison, August 1st, 1876

  1876-08-01
• 

  [NV10087], Technical Note, Thomas Alva Edison, July 29th, 1876

  1876-07-29
• 

  [NV10072], Untitled

  1876-07-27
• No image

  [NV10070], Untitled

  1876-07-27
• 

  [NV10064], Untitled

  1876-07-27
• No image

  [NV10063], Untitled

  1876-07-27
• No image

  [NV10062], Untitled

  1876-07-27
• No image

  [NV10061], Technical Note, Thomas Alva Edison, July 27th, 1876

  1876-07-27
• No image

  [NV10060], Untitled

  1876-07-26
• No image

  [NV10053], Untitled

  1876-07-26
• No image

  [NV10052], Untitled

  1876-07-26
• 

  [NV10048], Technical Note, James Adams, Thomas Alva Edison, July 13th, 1876

  1876-07-13
• 

  [NV10047], Technical Note, Thomas Alva Edison, July 11th, 1876

  1876-07-11
• 

  [NV10046], Untitled

  1876-07-10
• 

  [NV10045], Technical Note, Thomas Alva Edison, July 10th, 1876

  1876-07-10
• 

  [NV10044], Technical Note, James Adams, Thomas Alva Edison, July 7th, 1876

  1876-07-07
• 

  [NV10043], Technical Note, Thomas Alva Edison, July 6th, 1876

  1876-07-06
• 

  [NV10042], Technical Note, James Adams, Thomas Alva Edison, July 5th, 1876

  1876-07-05
• 

  [NV10041], Technical Note, James Adams, Thomas Alva Edison, July 3rd, 1876

  1876-07-03