Items
Subject is exactly
Acoustic telegraphy
-
[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] Artifact, November 1875
1875-11-00 -
[TI2462] Artifact, November 1875
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] Technical Note, July 20th, 1877
1877-07-20 -
[NV11066] Technical Note, April 19th, 1877
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] Technical Note, October 6th, 1876
1876-10-06 -
[NV10113] Technical Note, October 6th, 1876
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] Technical Note, August 6th, 1876
1876-08-06 -
[NV10107], Technical Note, Thomas Alva Edison, James Adams, August 6th, 1876
1876-08-06 -
[NV10106] Technical Note, August 2nd, 1876
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] Technical Note, August 1st, 1876
1876-08-01 -
[NV10097] Technical Note, August 1st, 1876
1876-08-01 -
[NV10096] Technical Note, August 1st, 1876
1876-08-01 -
[NV10095] Technical Note, August 1st, 1876
1876-08-01 -
[NV10094] Technical Note, August 1st, 1876
1876-08-01 -
[NV10093] Technical Note, August 1st, 1876
1876-08-01 -
[NV10092] Technical Note, August 1st, 1876
1876-08-01 -
[NV10091] Technical Note, August 1st, 1876
1876-08-01 -
[NV10090] Technical Note, August 1st, 1876
1876-08-01 -
[NV10089] Technical Note, August 1st, 1876
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] Technical Note, July 27th, 1876
1876-07-27 -
No image
[NV10070] Technical Note, July 27th, 1876
1876-07-27 -
[NV10064] Technical Note, July 27th, 1876
1876-07-27 -
No image
[NV10063] Technical Note, July 27th, 1876
1876-07-27 -
No image
[NV10062] Technical Note, July 27th, 1876
1876-07-27 -
No image
[NV10061], Technical Note, Thomas Alva Edison, July 27th, 1876
1876-07-27 -
No image
[NV10060] Technical Note, July 26th, 1876
1876-07-26 -
No image
[NV10053] Technical Note, July 26th, 1876
1876-07-26 -
No image
[NV10052] Technical Note, July 26th, 1876
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] Technical Note, July 10th, 1876
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