Items
Items
Subject is exactly
Microphone and other acoustic devices
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[NS7802G], Technical Note, John Kruesi, Thomas Alva Edison, June 22nd, 1878
1878-06-22 -
[NS7802F1], Technical Note, Thomas Alva Edison, June 21st, 1878
1878-06-21 -
[NS7802F], Technical Note, Thomas Alva Edison, John Kruesi, Charles Batchelor, Martin N Force, George E Carman, June 21st, 1878
1878-06-21 -
[NS7802E], Technical Note, Thomas Alva Edison, June 19th, 1878
1878-06-19 -
[NS7802D], Technical Note, Charles Batchelor, June 17th, 1878
1878-06-17 -
[NS7802C], Technical Note, Charles Batchelor, Thomas Alva Edison, May 17th, 1878
1878-05-17 -
[NS7802B], Technical Note, Thomas Alva Edison, May 10th, 1878
1878-05-10 -
[NS7802A], Technical Note, Thomas Alva Edison, April 30th, 1878
1878-04-30 -
No image
[NS02AAX], Technical Note, John F Ott, Thomas Alva Edison, April 21st, 1902
1902-04-21 -
No image
[NP120093], Diary, Thomas Alva Edison, November 26th, 1919
1919-11-26 -
No image
[NP120067A], Diary, Thomas Alva Edison, November 14th, 1919
1919-11-14 -
No image
[NP118126], Diary, Thomas Alva Edison, 1919
1919-00-00 -
No image
[NP118005] Diary, 1918-1919
1918-1919 -
No image
[NP115160], Diary, Thomas Alva Edison, 1918
1918-00-00 -
No image
[NP115132], Diary, Thomas Alva Edison, October 31st, 1918
1918-10-31 -
No image
[NP115127], Diary, Thomas Alva Edison, October 30th, 1918
1918-10-30 -
No image
[NP115110], Diary, Thomas Alva Edison, October 1918
1918-10-00 -
No image
[NP115083], Diary, Thomas Alva Edison, October 2nd, 1918
1918-10-02 -
No image
[NP115026], Diary, Thomas Alva Edison, September 1918
1918-09-00 -
No image
[NP114108], List, Thomas Alva Edison, November 1918
1918-11-00 -
No image
[NP113106], Diary, Thomas Alva Edison, July 1918
1918-07-00 -
No image
[NP113050], Diary, Thomas Alva Edison, April 1918
1918-04-00 -
No image
[NP113036], Diary, Thomas Alva Edison, April 19th, 1918
1918-04-19 -
No image
[NP113001], Diary, Thomas Alva Edison, April 1st, 1918
1918-04-01 -
No image
[NP112132], Diary, Thomas Alva Edison, March 1918
1918-03-00 -
No image
[NP112085] Diary, 1917-1918
1917-1918 -
No image
[NP111077], List, Thomas Alva Edison, August 1917
1917-08-00 -
No image
[NP111042], Diary, Thomas Alva Edison, August 1917
1917-08-00 -
No image
[NP111001], Diary, Thomas Alva Edison, August 1917
1917-08-00 -
No image
[NP110027], Diary, Thomas Alva Edison, 1917
1917-00-00 -
No image
[NP110001], Diary, Thomas Alva Edison, April 26th, 1917
1917-04-26 -
No image
[NP109122], List, Thomas Alva Edison, April 1917
1917-04-00 -
No image
[NP109097], Diary, Thomas Alva Edison, April 1917
1917-04-00 -
No image
[NP109049], Diary, Thomas Alva Edison, March 1917
1917-03-00 -
No image
[NP107153], Diary, Thomas Alva Edison, February 1917
1917-02-00 -
No image
[NP107099], Diary, Thomas Alva Edison, January 6th, 1917
1917-01-06 -
No image
[NP107079], Diary, Thomas Alva Edison, January 1917
1917-01-00 -
No image
[NP107015], Diary, Thomas Alva Edison, January 18th, 1917
1917-01-18 -
[NP021B], Technical Note, Thomas Alva Edison, March 4th, 1886
1886-03-04 -
[NM015E] Technical Note, July 7th, 1878
1878-07-07 -
[NM015D], Technical Note, Charles Batchelor, July 7th, 1878
1878-07-07 -
[NM015C], Technical Note, Charles Batchelor, July 6th, 1878
1878-07-06 -
No image
[NB217173], Technical Note, Leroy E Briggs, May 21st, 1913
1913-05-21 -
No image
[NB217147], Technical Note, Leroy E Briggs, May 17th, 1913
1913-05-17 -
No image
[NB217137], Technical Note, Leroy E Briggs, May 15th, 1913
1913-05-15 -
No image
[NB217133], Technical Note, Leroy E Briggs, May 14th, 1913
1913-05-14 -
No image
[NB217125], Technical Note, Leroy E Briggs, May 10th, 1913
1913-05-10 -
No image
[NB217121], Technical Note, Leroy E Briggs, May 9th, 1913
1913-05-09 -
No image
[NB217111], Technical Note, Leroy E Briggs, May 7th, 1913
1913-05-07 -
No image
[NA363AAA] Technical Note, February 1917
1917-02-00 -
No image
[NA351193], Technical Note, Absalom Mason Kennedy, August 2nd, 1915
1915-08-02 -
No image
[NA351191], Technical Note, Absalom Mason Kennedy, July 31st, 1915
1915-07-31 -
No image
[NA351189], Technical Note, Absalom Mason Kennedy, July 30th, 1915
1915-07-30 -
No image
[NA285014], Technical Note, Thomas Alva Edison, July 22nd, 1918
1918-07-22 -
No image
[NA285004], Technical Note, Thomas Alva Edison, July 20th, 1918
1918-07-20 -
No image
[NA285001], Technical Note, Thomas Alva Edison, July 18th, 1918
1918-07-18 -
No image
[NA265AAC], Technical Note, Thomas Alva Edison, March 9th, 1917
1917-03-09 -
No image
[NA265AAB], Technical Note, Thomas Alva Edison, February 18th, 1917
1917-02-18 -
[N317241], Technical Note, Thomas Alva Edison, April 17th, 1886
1886-04-17 -
[N317187], Technical Note, Thomas Alva Edison, April 16th, 1886
1886-04-16 -
[N317115], Technical Note, Thomas Alva Edison, April 14th, 1886
1886-04-14 -
[N317023] Technical Note, April 6th, 1886
1886-04-06 -
[N317001], Technical Note, Thomas Alva Edison, April 3rd, 1886
1886-04-03 -
[N315031] Technical Note, April 6th, 1886
1886-04-06 -
[N315021], Technical Note, Thomas Alva Edison, April 5th, 1886
1886-04-05 -
[N315001], Technical Note, Thomas Alva Edison, April 3rd, 1886
1886-04-03 -
[N314245], Technical Note, Thomas Alva Edison, March 30th, 1886
1886-03-30 -
[N314243], Technical Note, Thomas Alva Edison, March 29th, 1886
1886-03-29 -
[N314241] Technical Note, March 28th, 1886
1886-03-28 -
[N314217] Technical Note, March 28th, 1886
1886-03-28 -
[N314199], Technical Note, Mina Miller (Mrs Thomas A.) Edison, March 26th, 1886
1886-03-26 -
[N314191] Technical Note, March 25th, 1886
1886-03-25 -
[N314171], Technical Note, Thomas Alva Edison, March 24th, 1886
1886-03-24 -
[MBSB10752], Interview, Thomas Alva Edison, July 9th, 1878
1878-07-09 -
[MBSB10713], Interview, Thomas Alva Edison, June 6th, 1878
1878-06-06 -
[MBSB10661], Interview, Thomas Alva Edison, June 8th, 1878
1878-06-08 -
[MBSB10660], Interview, Thomas Alva Edison, June 8th, 1878
1878-06-08 -
[MBSB10581], Interview, Thomas Alva Edison, May 4th, 1878
1878-05-04 -
[MBSB10537], Interview, Thomas Alva Edison, April 19th, 1878
1878-04-19 -
[MBSB10463], Interview, Thomas Alva Edison, March 29th, 1878
1878-03-29 -
[MBSB10435], Interview, Thomas Alva Edison, March 20th, 1878
1878-03-20 -
[MBSB10429], Interview, Thomas Alva Edison, March 30th, 1878
1878-03-30 -
[MBN004046], Technical Note, Charles Batchelor, April 24th, 1879
1879-04-24 -
[MBN004014], Technical Note, Charles Batchelor, December 20th, 1878
1878-12-20 -
[MBN004007], Technical Note, Charles Batchelor, December 10th, 1878
1878-12-10 -
[MBN002059], Technical Note, Charles Batchelor, June 1st, 1878
1878-06-01 -
[MBN002054], Technical Note, Charles Batchelor, February 4th, 1878
1878-02-04 -
[MBN002030], Technical Note, Charles Batchelor, November 21st, 1876
1876-11-21 -
[MBN001074], Technical Note, Charles Batchelor, February 16th, 1878
1878-02-16 -
[MBN001069], Technical Note, Charles Batchelor, December 13th, 1877
1877-12-13 -
[MBN001063A], Technical Note, Charles Batchelor, June 18th, 1877
1877-06-18 -
[MBN001059], Technical Note, Charles Batchelor, November 18th, 1876
1876-11-18 -
[MBN001042] Technical Note, c. 1875
1875-00-00 -
[MBN001012A], Technical Note, Charles Batchelor, September 19th, 1875
1875-09-19 -
[MBN001009], Technical Note, Charles Batchelor, September 3rd, 1874
1874-09-03 -
[LM243676], Letter from Walter Seeley Mallory to William Lawrence Saunders, February 7th, 1902
1902-02-07 -
[LM243663], Letter from Walter Seeley Mallory to William Lawrence Saunders, February 4th, 1902
1902-02-04 -
[LM243401], Letter from Porter (H.K.) & Co to Ingersoll-Sergeant Drill Co, William Lawrence Saunders, November 8th, 1901
1901-11-08 -
[LM243400], Letter from William Lawrence Saunders, Ingersoll-Sergeant Drill Co to Walter Seeley Mallory, November 11th, 1901
1901-11-11 -
[LM243399], Letter from Walter Seeley Mallory to Pilling and Crane, November 13th, 1901
1901-11-13