Items

Items

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  [CM09AR], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, July 29th, 1914

  1914-07-29
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  [CM10CP] Letter, c. 1921

  1921-00-00
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  [E1143BM], List, Ludwig Fredrick Ott, 1911

  1911-00-00
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  [E1188AI], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, August 17th, 1911

  1911-08-17
• No image

  [E1285AA], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, February 8th, 1912

  1912-02-08
• No image

  [E1287AQ], Letter from Ludwig Fredrick Ott, Ignacy Goldstein to Thomas Alva Edison, March 22nd, 1912

  1912-03-22
• No image

  [E1287BR2], Report from Ludwig Fredrick Ott, Ignacy Goldstein, April 3rd, 1912

  1912-04-03
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  [E1309CC], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, 1913

  1913-00-00
• No image

  [E1357BH], Test Report, Ludwig Fredrick Ott, 1913

  1913-00-00
• No image

  [E1382BW], Memorandum, Ludwig Fredrick Ott, 1913

  1913-00-00
• No image

  [E1487AU1], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, 1914

  1914-00-00
• No image

  [E1759BE], Letter from Ludwig Fredrick Ott to William Henry Meadowcroft, May 17th, 1917

  1917-05-17
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  [E1616LBJ], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, December 1916

  1916-12-00
• No image

  [E1635AL], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, April 1st, 1916

  1916-04-01
• No image

  [E1637AQ], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, 1916

  1916-00-00
• No image

  [E1656AY], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, January 1916

  1916-01-00
• No image

  [E1717AF], Report from Ludwig Fredrick Ott, January 11th, 1917

  1917-01-11
• No image

  [E1787AH], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, William Walter Dinwiddie, June 11th, 1917

  1917-06-11
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  [E1790BV], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, September 15th, 1917

  1917-09-15
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  [MF31BB], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, January 15th, 1918

  1918-01-15
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  [NA109AAA] Technical Note, c. 1903

  1903-00-00
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  [NA112AAF], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, May 1904

  1904-05-00
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  [NA112AAK], Technical Note, Thomas Alva Edison, Ludwig Fredrick Ott, July 26th, 1904

  1904-07-26
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  [NA120067], Technical Note, Ludwig Fredrick Ott, March 24th, 1905

  1905-03-24
• No image

  [NA120077], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, March 28th, 1905

  1905-03-28
• No image

  [NA120081], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, March 29th, 1905

  1905-03-29
• No image

  [NA120091], Technical Note, Thomas Alva Edison, Ludwig Fredrick Ott, March 29th, 1905

  1905-03-29
• No image

  [NA120095], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, March 31st, 1905

  1905-03-31
• No image

  [NA132AAA], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, October 1906

  1906-10-00
• No image

  [NA136AAA], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, January 28th, 1907

  1907-01-28
• No image

  [NA137AAA], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, February 26th, 1907

  1907-02-26
• No image

  [NA137AAB], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, February 27th, 1907

  1907-02-27
• No image

  [NA137AAC], Technical Note, Thomas Alva Edison, Ludwig Fredrick Ott, March 12th, 1907

  1907-03-12
• No image

  [NA187AAA], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, February 23rd, 1907

  1907-02-23
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  [NA237AAG], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, 1913

  1913-00-00
• No image

  [NB181018], Technical Note, Ludwig Fredrick Ott, Thomas Alva Edison, December 21st, 1905

  1905-12-21
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  [NB194AAA], Technical Note, Ludwig Fredrick Ott, July 13th, 1900

  1900-07-13
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  [NB240A000] Technical Note, October 1911

  1911-10-00
• No image

  [NB240A001], Technical Note, Ludwig Fredrick Ott, October 30th, 1911

  1911-10-30
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  [NB240A002], Technical Note, Ludwig Fredrick Ott, November 9th, 1911

  1911-11-09
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  [NB240A003], Technical Note, Ludwig Fredrick Ott, November 6th, 1911

  1911-11-06
• No image

  [NB240A004], Technical Note, Ludwig Fredrick Ott, November 1st, 1911

  1911-11-01
• No image

  [NB240A006], Technical Note, Ludwig Fredrick Ott, December 1st, 1911

  1911-12-01
• No image

  [NB240A008], Technical Note, Ludwig Fredrick Ott, December 4th, 1911

  1911-12-04
• No image

  [NB240A009], Technical Note, Ludwig Fredrick Ott, December 17th, 1911

  1911-12-17
• No image

  [NB240A017], Technical Note, Ludwig Fredrick Ott, January 19th, 1912

  1912-01-19
• No image

  [NB240A022], Technical Note, Ludwig Fredrick Ott, January 30th, 1912

  1912-01-30
• No image

  [NB240A030], Technical Note, Ludwig Fredrick Ott, February 1912

  1912-02-00
• No image

  [NB240A030A], Technical Note, Ludwig Fredrick Ott, March 1912

  1912-03-00
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  [NB240A035], Technical Note, Thomas Alva Edison, Ludwig Fredrick Ott, February 23rd, 1912

  1912-02-23
• No image

  [NB240A039], Technical Note, Ludwig Fredrick Ott, March 24th, 1912

  1912-03-24
• No image

  [NB240A042], Technical Note, Ludwig Fredrick Ott, April 1912

  1912-04-00
• No image

  [NB240A045], Technical Note, Ludwig Fredrick Ott, March 5th, 1912

  1912-03-05
• No image

  [NB240A048], Technical Note, Ludwig Fredrick Ott, April 8th, 1912

  1912-04-08
• No image

  [NB240A065], Technical Note, Ludwig Fredrick Ott, July 11th, 1912

  1912-07-11
• No image

  [NB240A073], Technical Note, Ludwig Fredrick Ott, July 22nd, 1912

  1912-07-22
• No image

  [NB240A073A], Technical Note, Ludwig Fredrick Ott, July 23rd, 1912

  1912-07-23
• No image

  [NB240A073B], Technical Note, Ludwig Fredrick Ott, July 24th, 1912

  1912-07-24
• No image

  [nb240a074], Technical Note, Ludwig Fredrick Ott, July 25th, 1912

  1912-07-25
• No image

  [nb240a075], Technical Note, Ludwig Fredrick Ott, July 26th, 1912

  1912-07-26
• No image

  [nb240a077], Technical Note, Ludwig Fredrick Ott, July 27th, 1912

  1912-07-27
• No image

  [nb240a078], Technical Note, Ludwig Fredrick Ott, August 2nd, 1912

  1912-08-02
• No image

  [nb240a079], Technical Note, Ludwig Fredrick Ott, August 12th, 1912

  1912-08-12
• No image

  [nb240a082], Technical Note, Ludwig Fredrick Ott, September 25th, 1912

  1912-09-25
• No image

  [nb240a083], Technical Note, Ludwig Fredrick Ott, November 11th, 1912

  1912-11-11
• No image

  [nb240a085], Technical Note, Ludwig Fredrick Ott, November 21st, 1912

  1912-11-21
• No image

  [nb240a086], Technical Note, Ludwig Fredrick Ott, December 4th, 1912

  1912-12-04
• No image

  [nb240a095], Technical Note, Ludwig Fredrick Ott, January 3rd, 1913

  1913-01-03
• No image

  [nb240a100], Technical Note, Ludwig Fredrick Ott, January 13th, 1913

  1913-01-13
• No image

  [nb240a112], Technical Note, Ludwig Fredrick Ott, February 4th, 1913

  1913-02-04
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  [nb240a125], Technical Note, Ludwig Fredrick Ott, April 9th, 1911

  1911-04-09
• No image

  [nb240a134], Technical Note, Ludwig Fredrick Ott, April 17th, 1913

  1913-04-17
• No image

  [nb240a141], Technical Note, Ludwig Fredrick Ott, April 15th, 1913

  1913-04-15
• No image

  [nb240a150], Technical Note, Ludwig Fredrick Ott, April 12th, 1913

  1913-04-12
• No image

  [nb240a153], Technical Note, Ludwig Fredrick Ott, April 21st, 1913

  1913-04-21
• No image

  [nb240a158], Technical Note, Ludwig Fredrick Ott, June 20th, 1913

  1913-06-20
• No image

  [nb240a172], Technical Note, Ludwig Fredrick Ott, September 4th, 1913

  1913-09-04
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  [NB240B001], Technical Note, Ludwig Fredrick Ott, October 5th, 1913

  1913-10-05
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  [NB240B009], Technical Note, Ludwig Fredrick Ott, November 28th, 1913

  1913-11-28
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  [NB240B013] Letter, November 1913

  1913-11-00
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  [NB240B018], Technical Note, Ludwig Fredrick Ott, January 1st, 1914

  1914-01-01
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  [NB240B023], Technical Note, Ludwig Fredrick Ott, February 7th, 1914

  1914-02-07
• No image

  [NB240B025], Technical Note, Ludwig Fredrick Ott, February 11th, 1914

  1914-02-11
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  [NB240B025A], Technical Note, Ludwig Fredrick Ott, February 12th, 1914

  1914-02-12
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  [NB240B025B], Technical Note, Ludwig Fredrick Ott, February 14th, 1914

  1914-02-14
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  [NB240B025C], Technical Note, Ludwig Fredrick Ott, February 17th, 1914

  1914-02-17
• No image

  [NB240B025D], Technical Note, Ludwig Fredrick Ott, February 18th, 1914

  1914-02-18
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  [NB240B025E], Technical Note, Ludwig Fredrick Ott, February 24th, 1914

  1914-02-24
• No image

  [NB240B026], Technical Note, Ludwig Fredrick Ott, February 15th, 1914

  1914-02-15
• No image

  [NB240B026A], Technical Note, Ludwig Fredrick Ott, February 16th, 1914

  1914-02-16
• No image

  [NB240B052], Technical Note, Ludwig Fredrick Ott, March 19th, 1914

  1914-03-19
• No image

  [NB240B053], Technical Note, Ludwig Fredrick Ott, April 18th, 1914

  1914-04-18
• No image

  [NB240B054], Technical Note, Ludwig Fredrick Ott, April 24th, 1914

  1914-04-24
• No image

  [NB240B054A], Technical Note, Ludwig Fredrick Ott, April 27th, 1914

  1914-04-27
• No image

  [NB240B055], Technical Note, Ludwig Fredrick Ott, April 25th, 1914

  1914-04-25
• No image

  [NB240B055A], Technical Note, Ludwig Fredrick Ott, May 6th, 1914

  1914-05-06
• No image

  [NB240B056], Technical Note, Ludwig Fredrick Ott, April 29th, 1914

  1914-04-29
• No image

  [NB240B056A], Technical Note, Ludwig Fredrick Ott, April 28th, 1914

  1914-04-28
• No image

  [NB240B057], Technical Note, Ludwig Fredrick Ott, May 1st, 1914

  1914-05-01
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  [NB240B060], Technical Note, Ludwig Fredrick Ott, March 20th, 1914

  1914-03-20