Items
Items
Subject is exactly
Sound and acoustics
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[NP050A] Technical Note, 1887-1893
1887-1893 -
No image
[NM034269], Technical Note, Thomas Alva Edison, February 1st, 1903
1903-02-01 -
[NM029048], Technical Note, Arthur Edwin Kennelly, March 17th, 1893
1893-03-17 -
[NM025070] Technical Note, June 1890
1890-06-00 -
[NE1692001], Memorandum, Charles Batchelor, May 2nd, 1878
1878-05-02 -
[NE1691050], Technical Note, Charles Batchelor, December 5th, 1875
1875-12-05 -
[NM015H], Technical Note, Charles Batchelor, August 20th, 1878
1878-08-20 -
[NM015G], Technical Note, Charles Batchelor, August 14th, 1878
1878-08-14 -
[NM015F], Technical Note, Charles Batchelor, July 10th, 1878
1878-07-10 -
[NM015B], Technical Note, Charles Batchelor, July 5th, 1878
1878-07-05 -
[NM015A], Technical Note, Charles Batchelor, July 3rd, 1878
1878-07-03 -
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[NB239159A], Technical Note, William Alphonsus Hayes, July 1920
1920-07-00 -
No image
[NB239159], Technical Note, William Alphonsus Hayes, June 1920
1920-06-00 -
No image
[NB239158], Technical Note, William Alphonsus Hayes, May 1920
1920-05-00 -
No image
[NB239156], Technical Note, William Alphonsus Hayes, April 1920
1920-04-00 -
No image
[NB239152], Technical Note, William Alphonsus Hayes, March 1920
1920-03-00 -
No image
[NB239147], Technical Note, William Alphonsus Hayes, February 1920
1920-02-00 -
No image
[NB239145], Technical Note, William Alphonsus Hayes, February 11th, 1920
1920-02-11 -
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[NB239141], Technical Note, William Alphonsus Hayes, January 24th, 1920
1920-01-24 -
No image
[NB239111], Technical Note, William Alphonsus Hayes, October 1919
1919-10-00 -
No image
[NB239103], Technical Note, William Alphonsus Hayes, September 1919
1919-09-00 -
No image
[NB239101], Technical Note, William Alphonsus Hayes, August 13th, 1919
1919-08-13 -
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[NB239099], Technical Note, William Alphonsus Hayes, August 12th, 1919
1919-08-12 -
No image
[NB239097], Technical Note, William Alphonsus Hayes, August 11th, 1919
1919-08-11 -
No image
[NB239089], Technical Note, William Alphonsus Hayes, June 1919
1919-06-00 -
No image
[NB239087], Technical Note, William Alphonsus Hayes, June 13th, 1919
1919-06-13 -
No image
[NB239085], Technical Note, William Alphonsus Hayes, June 12th, 1919
1919-06-12 -
No image
[NB239083], Technical Note, William Alphonsus Hayes, June 11th, 1919
1919-06-11 -
No image
[NB239081], Technical Note, William Alphonsus Hayes, June 10th, 1919
1919-06-10 -
No image
[NB239070], Technical Note, William Alphonsus Hayes, William De Mille Telfair, May 1919
1919-05-00 -
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[NB239068], Technical Note, William De Mille Telfair, May 17th, 1919
1919-05-17 -
No image
[NB239066A], Technical Note, William De Mille Telfair, May 13th, 1919
1919-05-13 -
No image
[NB239066], Technical Note, William De Mille Telfair, May 1919
1919-05-00 -
No image
[NB239063], Technical Note, William De Mille Telfair, April 1919
1919-04-00 -
No image
[NB239059], Technical Note, William De Mille Telfair, March 1919
1919-03-00 -
No image
[NB239055], Technical Note, William De Mille Telfair, February 1919
1919-02-00 -
No image
[NB239052], Technical Note, William De Mille Telfair, January 1919
1919-01-00 -
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[NB239050], Technical Note, William De Mille Telfair, December 1918
1918-12-00 -
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[NB239049], Technical Note, William De Mille Telfair, November 1918
1918-11-00 -
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[NB239045], Technical Note, William De Mille Telfair, October 1918
1918-10-00 -
No image
[NB239041], Technical Note, William De Mille Telfair, September 1918
1918-09-00 -
No image
[NB239036], Technical Note, William De Mille Telfair, August 1918
1918-08-00 -
No image
[NB239016], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), June 1918
1918-06-00 -
No image
[NB239013], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), May 1918
1918-05-00 -
No image
[NB239007], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), April 1918
1918-04-00 -
No image
[NB239003], Technical Note, Fehen (Edison Employee), Newman Henry Holland, William Alphonsus Hayes, March 1918
1918-03-00 -
No image
[NB239] Technical Note, c. 1918
1918-00-00 -
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[NB237AAA], Technical Note, Isidor (Jerry) Chesler, July 1st, 1917
1917-07-01 -
No image
[NB236AAA], Technical Note, Isidor (Jerry) Chesler, February 27th, 1917
1917-02-27 -
No image
[NB233AAA], Technical Note, William Alphonsus Hayes, William Deans, April 1918
1918-04-00 -
No image
[NB233027], Technical Note, William Alphonsus Hayes, April 20th, 1918
1918-04-20 -
No image
[NB233025], Technical Note, William Alphonsus Hayes, April 19th, 1918
1918-04-19 -
No image
[NB233023], Technical Note, William Alphonsus Hayes, April 18th, 1918
1918-04-18 -
No image
[NB233019], Technical Note, Sherwood Troop (Sam) Moore, William Alphonsus Hayes, April 16th, 1918
1918-04-16 -
No image
[NB230151], Technical Note, John A Hanley, December 12th, 1918
1918-12-12 -
No image
[NB230147], Technical Note, John A Hanley, December 9th, 1918
1918-12-09 -
No image
[NB230129], Technical Note, John A Hanley, December 4th, 1918
1918-12-04 -
No image
[NB230125], Technical Note, John A Hanley, December 3rd, 1918
1918-12-03 -
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[NB230119A], Technical Note, John A Hanley, December 2nd, 1918
1918-12-02 -
No image
[NB230115], Technical Note, John A Hanley, November 27th, 1918
1918-11-27 -
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[NB230114], Technical Note, John A Hanley, November 26th, 1918
1918-11-26 -
No image
[NB230113B], Technical Note, John A Hanley, November 25th, 1918
1918-11-25 -
No image
[NB230111B], Technical Note, John A Hanley, November 18th, 1918
1918-11-18 -
No image
[NB230099], Technical Note, John A Hanley, September 11th, 1918
1918-09-11 -
No image
[NB230095A], Technical Note, John A Hanley, September 10th, 1918
1918-09-10 -
No image
[NB230095], Technical Note, John A Hanley, September 9th, 1918
1918-09-09 -
No image
[NB230077], Technical Note, John A Hanley, August 27th, 1918
1918-08-27 -
No image
[NB230073], Technical Note, John A Hanley, August 26th, 1918
1918-08-26 -
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[NB230069], Technical Note, John A Hanley, August 20th, 1918
1918-08-20 -
No image
[NB230067], Technical Note, John A Hanley, August 19th, 1918
1918-08-19 -
No image
[NB230061], Technical Note, John A Hanley, August 15th, 1918
1918-08-15 -
No image
[NB230057], Technical Note, John A Hanley, August 14th, 1918
1918-08-14 -
No image
[NB230053], Technical Note, John A Hanley, August 22nd, 1918
1918-08-22 -
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[NB230051], Technical Note, John A Hanley, June 18th, 1918
1918-06-18 -
No image
[NB230043], Technical Note, John A Hanley, June 15th, 1918
1918-06-15 -
No image
[NB230041], Technical Note, John A Hanley, June 11th, 1918
1918-06-11 -
No image
[NB230039], Technical Note, John A Hanley, June 7th, 1918
1918-06-07 -
No image
[NB230031], Technical Note, John A Hanley, May 24th, 1918
1918-05-24 -
No image
[NB230029], Technical Note, John A Hanley, May 23rd, 1918
1918-05-23 -
No image
[NB230021], Technical Note, John A Hanley, May 22nd, 1918
1918-05-22 -
No image
[NB230019], Technical Note, John A Hanley, May 20th, 1918
1918-05-20 -
No image
[NB230017], Technical Note, John A Hanley, May 18th, 1918
1918-05-18 -
No image
[NB230015], Technical Note, John A Hanley, May 17th, 1918
1918-05-17 -
No image
[NB230011], Technical Note, John A Hanley, May 15th, 1918
1918-05-15 -
No image
[NB230009], Technical Note, John A Hanley, May 14th, 1918
1918-05-14 -
No image
[NB229200], Technical Note, Absalom Mason Kennedy, November 2nd, 1917
1917-11-02 -
No image
[NB229185], Technical Note, Absalom Mason Kennedy, November 1st, 1917
1917-11-01 -
No image
[NB229171], Technical Note, Absalom Mason Kennedy, October 31st, 1917
1917-10-31 -
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[NB229169], Technical Note, Absalom Mason Kennedy, October 30th, 1917
1917-10-30 -
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[NB229162], Telegram from Absalom Mason Kennedy to Thomas Alva Edison, October 29th, 1917
1917-10-29 -
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[NB229159], Technical Note, Absalom Mason Kennedy, October 29th, 1917
1917-10-29 -
No image
[NB229143], Technical Note, Absalom Mason Kennedy, October 27th, 1917
1917-10-27 -
No image
[NB229117], Technical Note, Absalom Mason Kennedy, October 25th, 1917
1917-10-25 -
No image
[NB229109], Technical Note, Absalom Mason Kennedy, October 23rd, 1917
1917-10-23 -
No image
[NB229105], Technical Note, Absalom Mason Kennedy, October 20th, 1917
1917-10-20 -
No image
[NB229093], Technical Note, Absalom Mason Kennedy, October 19th, 1917
1917-10-19 -
No image
[NB229085], Technical Note, Absalom Mason Kennedy, October 18th, 1917
1917-10-18 -
No image
[NB229073], Technical Note, Absalom Mason Kennedy, October 17th, 1917
1917-10-17 -
No image
[NB229067], Technical Note, Absalom Mason Kennedy, October 16th, 1917
1917-10-16 -
No image
[NB229063], Technical Note, Absalom Mason Kennedy, October 14th, 1917
1917-10-14