Items
Subject is exactly
Acoustic telegraphy
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[D7520B], Agreement, Western Union, Thomas Alva Edison, November 27th, 1875 1875-11-27 -
[D7520F], Letter from Thomas Alva Edison to William Orton, December 29th, 1875 1875-12-29 -
[D7612A], Letter from Lemuel Wright Serrell to Thomas Alva Edison, February 7th, 1876 1876-02-07 -
[D7612I], Letter from Lemuel Wright Serrell to Thomas Alva Edison, June 7th, 1876 1876-06-07 -
[D7612M], Letter from Porter Lowrey Soren and Stone to Thomas Alva Edison, July 27th, 1876 1876-07-27 -
[D7612P], Letter from Lemuel Wright Serrell to Thomas Alva Edison, August 9th, 1876 1876-08-09 -
[D7612S], Letter from Porter Lowrey Soren and Stone to Thomas Alva Edison, September 25th, 1876 1876-09-25 -
[D7612T], Letter from Porter Lowrey Soren and Stone to Thomas Alva Edison, October 4th, 1876 1876-10-04 -
[D7612Z], Letter from Porter Lowrey Soren and Stone to Thomas Alva Edison, December 12th, 1876 1876-12-12 -
[D7618D], Letter from Thomas Alva Edison to William Orton, January 17th, 1876 1876-01-17 -
[D7618E], Letter from Thomas Alva Edison to William Orton, January 24th, 1876 1876-01-24 -
[D7618F], Letter from Thomas Alva Edison to William Orton, January 26th, 1876 1876-01-26 -
[D7618I], Letter from Thomas Alva Edison to William Orton, February 19th, 1876 1876-02-19 -
[D7618I1], Letter from Norman C Miller to Thomas Alva Edison, September 4th, 1876 1876-09-04 -
[D7618L], Letter from Thomas Alva Edison to William Orton, December 4th, 1876 1876-12-04 -
[D7618O], Letter from Thomas Alva Edison to William Orton, April 1876 1876-04-00 -
[D7618P], Letter from Thomas Alva Edison to William Orton, December 1876 1876-12-00 -
[D7715I], Letter from Lemuel Wright Serrell to Thomas Alva Edison, June 6th, 1877 1877-06-06 -
[D7715P], Letter from Lemuel Wright Serrell to Thomas Alva Edison, June 20th, 1877 1877-06-20 -
[D7715Z], Letter from Lemuel Wright Serrell to Thomas Alva Edison, September 11th, 1877 1877-09-11 -
[D7715ZAB], Letter from U.S. Patent Office. Commissioner to Lemuel Wright Serrell, Thomas Alva Edison, October 3rd, 1877 1877-10-03 -
[D7715ZAH], Letter from Lemuel Wright Serrell to Thomas Alva Edison, October 25th, 1877 1877-10-25 -
[D7715ZAQ], Letter from Lemuel Wright Serrell to Thomas Alva Edison, December 3rd, 1877 1877-12-03 -
[D7715ZAV], Memorandum, Thomas Alva Edison, 1877 1877-00-00 -
[D7719B], Letter from William Orton, Western Union to Thomas Alva Edison, January 27th, 1877 1877-01-27 -
[D7805ZAD], Essay, Thomas Alva Edison, March 1878 1878-03-00 -
[D7828G], Letter from Harold Serrell to Thomas Alva Edison, February 13th, 1878 1878-02-13 -
[D7828I], Letter from Lemuel Wright Serrell to Thomas Alva Edison, February 21st, 1878 1878-02-21 -
[D7828L], Letter from Lemuel Wright Serrell to Thomas Alva Edison, February 26th, 1878 1878-02-26 -
[D7828O], Letter from Lemuel Wright Serrell to Thomas Alva Edison, March 16th, 1878 1878-03-16 -
[D7828S], Letter from Lemuel Wright Serrell to Thomas Alva Edison, March 25th, 1878 1878-03-25 -
[D7828T], Letter from Lemuel Wright Serrell to Thomas Alva Edison, March 28th, 1878 1878-03-28 -
[D7828Y], Letter from Lemuel Wright Serrell to Thomas Alva Edison, April 4th, 1878 1878-04-04 -
[D7828ZAM], Telegram from Lemuel Wright Serrell to Thomas Alva Edison, May 17th, 1878 1878-05-17 -
[D7828ZAP], Letter from Lemuel Wright Serrell to Thomas Alva Edison, May 18th, 1878 1878-05-18 -
[D7828ZAQ], Letter from Lemuel Wright Serrell to Thomas Alva Edison, May 22nd, 1878 1878-05-22 -
[D7828ZAZ], Letter from Lemuel Wright Serrell to Thomas Alva Edison, June 18th, 1878 1878-06-18 -
[D7828ZBO], Letter from Lemuel Wright Serrell to Thomas Alva Edison, July 16th, 1878 1878-07-16 -
[D8036ZES], Letter from Lemuel Wright Serrell to Thomas Alva Edison, October 11th, 1880 1880-10-11 -
[HM750021], Agreement, Thomas Alva Edison, Western Union, December 14th, 1875 1875-12-14 -
[HM750022], Power of Attorney from Thomas Alva Edison to Grosvenor Porter Lowrey, December 14th, 1875 1875-12-14 -
[HM780045], Agreement, Western Union, Thomas Alva Edison, May 31st, 1878 1878-05-31 -
[MB011], Agreement, Western Union, Thomas Alva Edison, May 31st, 1878 1878-05-31 -
[MB018], Letter from M C Spaulding to Thomas Alva Edison, April 15th, 1878 1878-04-15 -
[MBJ001138], Diary, Charles Batchelor, May 18th, 1877 1877-05-18 -
[MBLB1111], Letter from Charles Batchelor to English Mechanic, May 5th, 1877 1877-05-05 -
[MBLB1136], Letter from Charles Batchelor to Thomas Hatch Batchelor, June 11th, 1877 1877-06-11 -
[MBLB1161], Letter from Charles Batchelor to Ezra Torrance Gilliland, July 19th, 1877 1877-07-19 -
[MBLB1169], Letter from Charles Batchelor to Ezra Torrance Gilliland, July 26th, 1877 1877-07-26 -
[MBLB1175], Letter from Charles Batchelor to George Harrison Bliss, July 26th, 1877 1877-07-26 -
[MBLB1179], Letter from Charles Batchelor to John Goode, August 2nd, 1877 1877-08-02 -
[MBLB1188], Letter from Charles Batchelor to George Harrison Bliss, August 13th, 1877 1877-08-13 -
[MBLB1191], Letter from Charles Batchelor to Ezra Torrance Gilliland, August 13th, 1877 1877-08-13 -
[MBLB1219], Letter from Charles Batchelor to Horatio A Reed, October 16th, 1877 1877-10-16 -
[MBN001054], Technical Note, Charles Batchelor, November 13th, 1875 1875-11-13 -
[MBN001054A], Patent Caveat, Thomas Alva Edison, November 13th, 1875 1875-11-13 -
[MBN001054B], Technical Note, Charles Batchelor, November 15th, 1875 1875-11-15 -
[MBN002021], Technical Note, Charles Batchelor, December 3rd, 1875 1875-12-03 -
[MBN002025A] Technical Note, December 26th, 1875 1875-12-26 -
[MBN002033], Technical Note, Thomas Alva Edison, Charles Batchelor, February 12th, 1877 1877-02-12 -
[MBN002034], Technical Note, Charles Batchelor, March 18th, 1877 1877-03-18 -
[MBP007], Patent Application, Thomas Alva Edison, July 26th, 1876 1876-07-26 -
[MK001] Technical Note, 1875-1876 1875-1876 -
[NE1691023], Technical Note, Charles Batchelor, James Adams, November 16th, 1875 1875-11-16 -
[NE1691024A], Technical Note, Thomas Alva Edison, James Adams, Charles Batchelor, November 21st, 1875 1875-11-21 -
[NE1691040], Technical Note, Charles Batchelor, November 30th, 1875 1875-11-30 -
[NE1691045] Technical Note, December 3rd, 1875 1875-12-03 -
[NE1691051], Technical Note, Charles Batchelor, December 6th, 1875 1875-12-06 -
[NE1691052], Technical Note, Charles Batchelor, December 9th, 1875 1875-12-09 -
[NE1691057A], Technical Note, Charles Batchelor, December 26th, 1875 1875-12-26 -
[NE1691058], Technical Note, Charles Batchelor, January 7th, 1876 1876-01-07 -
[NE1694056] Technical Note, September 14th, 1876 1876-09-14 -
[NE1694062], Technical Note, Thomas Alva Edison, September 17th, 1876 1876-09-17 -
[NE1694062A], Technical Note, Thomas Alva Edison, September 26th, 1876 1876-09-26 -
[NE1695009A], Technical Note, Thomas Alva Edison, August 29th, 1876 1876-08-29 -
[NE1695013], Technical Note, Thomas Alva Edison, James Adams, September 6th, 1876 1876-09-06 -
[NE1695015] Technical Note, September 6th, 1876 1876-09-06 -
[NE1695027], Technical Note, Charles Batchelor, Thomas Alva Edison, October 13th, 1876 1876-10-13 -
[NE1695028], Technical Note, Charles Batchelor, Thomas Alva Edison, October 18th, 1876 1876-10-18 -
[NE1695031] Technical Note, October 18th, 1876 1876-10-18 -
[NE1695036] Technical Note, November 1st, 1876 1876-11-01 -
[NM013K], Technical Note, Charles Batchelor, Thomas Alva Edison, November 12th, 1875 1875-11-12 -
[NS7501C], Technical Note, Charles Batchelor, Thomas Alva Edison, November 29th, 1875 1875-11-29 -
[NS7502H], Technical Note, Charles Batchelor, Thomas Alva Edison, November 29th, 1875 1875-11-29 -
[NS7601A2], Technical Note, Thomas Alva Edison, Charles Batchelor, July 1876 1876-07-00 -
[NS7602A], Technical Note, Charles Batchelor, January 1st, 1876 1876-01-01 -
[NS7602A1], Technical Note, Charles Batchelor, January 10th, 1876 1876-01-10 -
[NS7602B], Technical Note, Thomas Alva Edison, January 26th, 1876 1876-01-26 -
[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876 1876-07-12 -
[NS7602E], Technical Note, Thomas Alva Edison, July 22nd, 1876 1876-07-22 -
[NS7602F], Technical Note, James Adams, Thomas Alva Edison, July 26th, 1876 1876-07-26 -
[NS7602G], Technical Note, Thomas Alva Edison, August 7th, 1876 1876-08-07 -
[NS7602K], Technical Note, Charles Batchelor, January 1st, 1876 1876-01-01 -
[NS7602M], Technical Note, Thomas Alva Edison, May 8th, 1876 1876-05-08 -
[NS7602N], Technical Note, Thomas Alva Edison, May 10th, 1876 1876-05-10 -
[NS7602O], Technical Note, Thomas Alva Edison, July 12th, 1876 1876-07-12 -
[NS7602P], Technical Note, James Adams, 1876 1876-00-00 -
[NS7602Q], Technical Note, Thomas Alva Edison, 1876 1876-00-00 -
[NS7704ZBT1], Technical Note, Thomas Alva Edison, January 6th, 1877 1877-01-06 -
[NS7704ZBT2], Technical Note, Thomas Alva Edison, March 22nd, 1877 1877-03-22