Items

Please use the "Index" in the document viewer below to browse all documents within this item set. By default, the first document is displayed.

Items

• No image

  [NB254BCE], Technical Note, Elmer Ellsworth Dougherty, August 5th, 1920

  1920-08-05
• No image

  [NB254BCD], Technical Note, Elmer Ellsworth Dougherty, May 20th, 1920

  1920-05-20
• No image

  [NB254BCC], Technical Note, Elmer Ellsworth Dougherty, May 15th, 1920

  1920-05-15
• No image

  [NB254BCB], Technical Note, Elmer Ellsworth Dougherty, May 10th, 1920

  1920-05-10
• No image

  [NB254BCA], Technical Note, Elmer Ellsworth Dougherty, May 7th, 1920

  1920-05-07
• No image

  [NB254BBO], Technical Note, Elmer Ellsworth Dougherty, May 6th, 1920

  1920-05-06
• No image

  [NB254BBJ], Technical Note, Elmer Ellsworth Dougherty, May 4th, 1920

  1920-05-04
• No image

  [NB254BAV], Technical Note, Elmer Ellsworth Dougherty, April 1st, 1920

  1920-04-01
• No image

  [NB254BAN], Technical Note, Elmer Ellsworth Dougherty, March 15th, 1920

  1920-03-15
• No image

  [NB254BAJ], Technical Note, Elmer Ellsworth Dougherty, March 9th, 1920

  1920-03-09
• No image

  [NB254BAF], Technical Note, Elmer Ellsworth Dougherty, February 24th, 1920

  1920-02-24
• No image

  [NB254BAD1], Technical Note, Elmer Ellsworth Dougherty, February 18th, 1920

  1920-02-18
• No image

  [NB254BAD], Technical Note, Elmer Ellsworth Dougherty, February 19th, 1920

  1920-02-19
• No image

  [NB254BAC1], Technical Note, Elmer Ellsworth Dougherty, June 20th, 1920

  1920-06-20
• No image

  [NB254BAC], Technical Note, Elmer Ellsworth Dougherty, February 19th, 1920

  1920-02-19
• No image

  [NB254B111], Technical Note, Elmer Ellsworth Dougherty, January 30th, 1920

  1920-01-30
• No image

  [NB254B110], Technical Note, Elmer Ellsworth Dougherty, August 4th, 1920

  1920-08-04
• No image

  [NB254B109A], Technical Note, Elmer Ellsworth Dougherty, July 31st, 1920

  1920-07-31
• No image

  [NB254B109], Technical Note, Elmer Ellsworth Dougherty, August 4th, 1920

  1920-08-04
• No image

  [NB254B108A], Technical Note, Elmer Ellsworth Dougherty, July 28th, 1920

  1920-07-28
• No image

  [NB254B108], Technical Note, Elmer Ellsworth Dougherty, July 30th, 1920

  1920-07-30
• No image

  [NB254B107], Technical Note, Elmer Ellsworth Dougherty, July 28th, 1920

  1920-07-28
• No image

  [NB254B105A], Technical Note, Elmer Ellsworth Dougherty, July 22nd, 1920

  1920-07-22
• No image

  [NB254B105], Technical Note, Elmer Ellsworth Dougherty, July 21st, 1920

  1920-07-21
• No image

  [NB254B103A], Technical Note, Elmer Ellsworth Dougherty, July 20th, 1920

  1920-07-20
• No image

  [NB254B103], Technical Note, Elmer Ellsworth Dougherty, July 14th, 1920

  1920-07-14
• No image

  [NB254B102], Technical Note, Elmer Ellsworth Dougherty, July 10th, 1920

  1920-07-10
• No image

  [NB254B101], Technical Note, Elmer Ellsworth Dougherty, July 9th, 1920

  1920-07-09
• No image

  [NB254B100], Technical Note, Elmer Ellsworth Dougherty, July 7th, 1920

  1920-07-07
• No image

  [NB254B099A], Technical Note, Elmer Ellsworth Dougherty, July 8th, 1920

  1920-07-08
• No image

  [NB254B099], Technical Note, Elmer Ellsworth Dougherty, June 21st, 1920

  1920-06-21
• No image

  [NB254B098], Technical Note, Elmer Ellsworth Dougherty, June 30th, 1920

  1920-06-30
• No image

  [NB254B095], Technical Note, Elmer Ellsworth Dougherty, June 25th, 1920

  1920-06-25
• No image

  [NB254B094A], Technical Note, Elmer Ellsworth Dougherty, May 29th, 1920

  1920-05-29
• No image

  [NB254B094], Technical Note, Elmer Ellsworth Dougherty, June 17th, 1920

  1920-06-17
• No image

  [NB254B091], Technical Note, Elmer Ellsworth Dougherty, June 9th, 1920

  1920-06-09
• No image

  [NB254B087], Technical Note, Elmer Ellsworth Dougherty, May 27th, 1920

  1920-05-27
• No image

  [NB254B083], Technical Note, Elmer Ellsworth Dougherty, May 26th, 1920

  1920-05-26
• No image

  [NB254B081], Technical Note, Elmer Ellsworth Dougherty, May 22nd, 1920

  1920-05-22
• No image

  [NB254B080E], Technical Note, Elmer Ellsworth Dougherty, June 12th, 1920

  1920-06-12
• No image

  [NB254B080D], Technical Note, Elmer Ellsworth Dougherty, May 26th, 1920

  1920-05-26
• No image

  [NB254B080C], Technical Note, Elmer Ellsworth Dougherty, May 24th, 1920

  1920-05-24
• No image

  [NB254B080B], Technical Note, Elmer Ellsworth Dougherty, May 22nd, 1920

  1920-05-22
• No image

  [NB254B080A], Technical Note, Elmer Ellsworth Dougherty, May 25th, 1920

  1920-05-25
• No image

  [NB254B080], Technical Note, Elmer Ellsworth Dougherty, May 27th, 1920

  1920-05-27
• No image

  [NB254B079A], Technical Note, Elmer Ellsworth Dougherty, May 20th, 1920

  1920-05-20
• No image

  [NB254B079], Technical Note, Elmer Ellsworth Dougherty, May 21st, 1920

  1920-05-21
• No image

  [NB254B078D], Technical Note, Elmer Ellsworth Dougherty, May 25th, 1920

  1920-05-25
• No image

  [NB254B078C], Technical Note, Elmer Ellsworth Dougherty, May 19th, 1920

  1920-05-19
• No image

  [NB254B078B], Technical Note, Elmer Ellsworth Dougherty, May 17th, 1920

  1920-05-17
• No image

  [NB254B078A], Technical Note, Elmer Ellsworth Dougherty, April 18th, 1920

  1920-04-18
• No image

  [NB254B078], Technical Note, Elmer Ellsworth Dougherty, May 18th, 1920

  1920-05-18
• No image

  [NB254B077B], Technical Note, Elmer Ellsworth Dougherty, May 5th, 1920

  1920-05-05
• No image

  [NB254B077A], Technical Note, Elmer Ellsworth Dougherty, April 26th, 1920

  1920-04-26
• No image

  [NB254B077], Technical Note, Elmer Ellsworth Dougherty, April 27th, 1920

  1920-04-27
• No image

  [NB254B075A], Technical Note, Elmer Ellsworth Dougherty, March 27th, 1920

  1920-03-27
• No image

  [NB254B075], Technical Note, Elmer Ellsworth Dougherty, April 26th, 1920

  1920-04-26
• No image

  [NB254B067], Technical Note, Elmer Ellsworth Dougherty, April 9th, 1920

  1920-04-09
• No image

  [NB254B066B], Technical Note, Elmer Ellsworth Dougherty, March 27th, 1920

  1920-03-27
• No image

  [NB254B066A], Technical Note, Elmer Ellsworth Dougherty, April 8th, 1920

  1920-04-08
• No image

  [NB254B066], Technical Note, Elmer Ellsworth Dougherty, April 9th, 1920

  1920-04-09
• No image

  [NB254B065], Technical Note, Elmer Ellsworth Dougherty, April 3rd, 1920

  1920-04-03
• No image

  [NB254B063A], Technical Note, Elmer Ellsworth Dougherty, April 7th, 1920

  1920-04-07
• No image

  [NB254B063], Technical Note, Elmer Ellsworth Dougherty, March 24th, 1920

  1920-03-24
• No image

  [NB254B062], Technical Note, Elmer Ellsworth Dougherty, April 7th, 1920

  1920-04-07
• No image

  [NB254B060], Technical Note, Elmer Ellsworth Dougherty, March 23rd, 1920

  1920-03-23
• No image

  [NB254B058], Technical Note, Elmer Ellsworth Dougherty, April 7th, 1920

  1920-04-07
• No image

  [NB254B057], Technical Note, Elmer Ellsworth Dougherty, March 15th, 1920

  1920-03-15
• No image

  [NB254B052], Technical Note, Elmer Ellsworth Dougherty, March 9th, 1920

  1920-03-09
• No image

  [NB254B051], Technical Note, Elmer Ellsworth Dougherty, March 3rd, 1920

  1920-03-03
• No image

  [NB254B049], Technical Note, Elmer Ellsworth Dougherty, February 18th, 1920

  1920-02-18
• No image

  [NB254B048], Technical Note, Elmer Ellsworth Dougherty, February 17th, 1920

  1920-02-17
• No image

  [NB254B043], Technical Note, Elmer Ellsworth Dougherty, February 14th, 1920

  1920-02-14
• No image

  [NB254B038], Technical Note, Elmer Ellsworth Dougherty, February 13th, 1920

  1920-02-13
• No image

  [NB254B034], Technical Note, Elmer Ellsworth Dougherty, February 11th, 1920

  1920-02-11
• No image

  [NB254B032], Technical Note, Elmer Ellsworth Dougherty, March 3rd, 1920

  1920-03-03
• No image

  [NB254B030], Technical Note, Elmer Ellsworth Dougherty, February 3rd, 1920

  1920-02-03
• No image

  [NB254B026], Technical Note, Elmer Ellsworth Dougherty, January 30th, 1920

  1920-01-30
• No image

  [NB254B023], Technical Note, Elmer Ellsworth Dougherty, January 29th, 1920

  1920-01-29
• No image

  [NB254B022], Technical Note, Elmer Ellsworth Dougherty, January 28th, 1920

  1920-01-28
• No image

  [NB254B021], Technical Note, Elmer Ellsworth Dougherty, January 24th, 1920

  1920-01-24
• No image

  [NB254B020], Technical Note, Elmer Ellsworth Dougherty, January 28th, 1920

  1920-01-28
• No image

  [NB254B018], Technical Note, Elmer Ellsworth Dougherty, January 26th, 1920

  1920-01-26
• No image

  [NB254B014], Technical Note, Elmer Ellsworth Dougherty, January 23rd, 1920

  1920-01-23
• No image

  [NB254B006], Technical Note, Elmer Ellsworth Dougherty, January 20th, 1920

  1920-01-20
• No image

  [NB254B002A], Technical Note, Elmer Ellsworth Dougherty, March 15th, 1920

  1920-03-15
• No image

  [NB254B002], Technical Note, Elmer Ellsworth Dougherty, January 20th, 1920

  1920-01-20
• No image

  [NB254B001], Technical Note, Elmer Ellsworth Dougherty, January 19th, 1920

  1920-01-19
• No image

  [NB254AAJ] Technical Note, c. 1919

  1919-00-00
• No image

  [NB254AAI], Technical Note, Elmer Ellsworth Dougherty, Thomas Alva Edison, January 12th, 1920

  1920-01-12
• No image

  [NB254AAH], Technical Note, Elmer Ellsworth Dougherty, Thomas Alva Edison, November 24th, 1919

  1919-11-24
• No image

  [NB254AAG], Technical Note, Elmer Ellsworth Dougherty, November 4th, 1919

  1919-11-04
• No image

  [NB254AAF] Technical Note, November 2nd, 1919

  1919-11-02
• No image

  [NB254AAB1], Technical Note, Elmer Ellsworth Dougherty, December 12th, 1919

  1919-12-12
• No image

  [NB254AAB], Technical Note, Elmer Ellsworth Dougherty, September 10th, 1919

  1919-09-10
• No image

  [NB254AAA], Technical Note, Elmer Ellsworth Dougherty, September 8th, 1919

  1919-09-08
• No image

  [NB254A94], Technical Note, Elmer Ellsworth Dougherty, January 6th, 1920

  1920-01-06
• No image

  [NB254A80], Technical Note, Elmer Ellsworth Dougherty, January 9th, 1920

  1920-01-09
• No image

  [NB254A78], Technical Note, Elmer Ellsworth Dougherty, January 13th, 1920

  1920-01-13
• No image

  [NB254A55], Technical Note, Elmer Ellsworth Dougherty, January 6th, 1920

  1920-01-06