Items

Items

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  [NA332060], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, May 8th, 1917

  1917-05-08
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  [NA332064], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, May 9th, 1917

  1917-05-09
• No image

  [NA332074], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, May 7th, 1917

  1917-05-07
• No image

  [NA332076], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, May 9th, 1917

  1917-05-09
• No image

  [NA332078], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, May 10th, 1917

  1917-05-10
• No image

  [NA332080], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, May 9th, 1917

  1917-05-09
• No image

  [NA332082], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, May 10th, 1917

  1917-05-10
• No image

  [NA332084], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, May 9th, 1917

  1917-05-09
• No image

  [NA332084A], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, May 10th, 1917

  1917-05-10
• No image

  [NA332094], Technical Note, William Walter Dinwiddie, Thomas Alva Edison, Archibald David Hoffman, May 15th, 1917

  1917-05-15
• No image

  [NA332122], Technical Note, William Walter Dinwiddie, Thomas Alva Edison, Archibald David Hoffman, June 8th, 1917

  1917-06-08
• No image

  [NA332136], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 12th, 1917

  1917-06-12
• No image

  [NA332140], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 15th, 1917

  1917-06-15
• No image

  [NA332146], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, June 12th, 1917

  1917-06-12
• No image

  [NA332150], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 15th, 1917

  1917-06-15
• No image

  [NA332176], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, June 15th, 1917

  1917-06-15
• No image

  [NA333002], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, June 15th, 1917

  1917-06-15
• No image

  [NA333006], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, June 18th, 1917

  1917-06-18
• No image

  [NA333024], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 19th, 1917

  1917-06-19
• No image

  [NA333028], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 20th, 1917

  1917-06-20
• No image

  [NA333038], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 7th, 1917

  1917-07-07
• No image

  [NA333040], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 21st, 1917

  1917-06-21
• No image

  [NA333050], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, June 21st, 1917

  1917-06-21
• No image

  [NA333056], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, June 21st, 1917

  1917-06-21
• No image

  [NA333060], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, June 22nd, 1917

  1917-06-22
• No image

  [NA333078], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 26th, 1917

  1917-06-26
• No image

  [NA333080], Technical Note, William Walter Dinwiddie, Thomas Alva Edison, Archibald David Hoffman, June 25th, 1917

  1917-06-25
• No image

  [NA333086], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 26th, 1917

  1917-06-26
• No image

  [NA333088], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, June 28th, 1917

  1917-06-28
• No image

  [NA333094], Technical Note, William Walter Dinwiddie, Thomas Alva Edison, Archibald David Hoffman, June 29th, 1917

  1917-06-29
• No image

  [NA333096], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 28th, 1917

  1917-06-28
• No image

  [NA333099], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 30th, 1917

  1917-06-30
• No image

  [NA333100], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, June 29th, 1917

  1917-06-29
• No image

  [NA333102], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 27th, 1917

  1917-06-27
• No image

  [NA333104], Technical Note, William Walter Dinwiddie, Thomas Alva Edison, Archibald David Hoffman, June 28th, 1917

  1917-06-28
• No image

  [NA333106], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, June 27th, 1917

  1917-06-27
• No image

  [NA333108], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, June 29th, 1917

  1917-06-29
• No image

  [NA333121], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 3rd, 1917

  1917-07-03
• No image

  [NA333124], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 7th, 1917

  1917-07-07
• No image

  [NA333144], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 11th, 1917

  1917-07-11
• No image

  [NA333148], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 12th, 1917

  1917-07-12
• No image

  [NA333156], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 13th, 1917

  1917-07-13
• No image

  [NA333158], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 14th, 1917

  1917-07-14
• No image

  [NA333164], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 15th, 1917

  1917-07-15
• No image

  [NA333166], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 14th, 1917

  1917-07-14
• No image

  [NA333170], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 15th, 1917

  1917-07-15
• No image

  [NA333182], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 15th, 1917

  1917-07-15
• No image

  [NA333184], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 16th, 1917

  1917-07-16
• No image

  [NA333186], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 15th, 1917

  1917-07-15
• No image

  [NA334002], Technical Note, William Walter Dinwiddie, Thomas Alva Edison, Archibald David Hoffman, July 15th, 1917

  1917-07-15
• No image

  [NA334008], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 16th, 1917

  1917-07-16
• No image

  [NA334018], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 19th, 1917

  1917-07-19
• No image

  [NA334020], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 16th, 1917

  1917-07-16
• No image

  [NA334022], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 17th, 1917

  1917-07-17
• No image

  [NA334040], Publication, William Walter Dinwiddie, Archibald David Hoffman, July 18th, 1917

  1917-07-18
• No image

  [NA334048], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 20th, 1917

  1917-07-20
• No image

  [NA334053], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 20th, 1917

  1917-07-20
• No image

  [NA334055], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 25th, 1917

  1917-07-25
• No image

  [NA334056], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 20th, 1917

  1917-07-20
• No image

  [NA334067], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 24th, 1917

  1917-07-24
• No image

  [NA334068], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 23rd, 1917

  1917-07-23
• No image

  [NA334072], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 24th, 1917

  1917-07-24
• No image

  [NA334074], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 25th, 1917

  1917-07-25
• No image

  [NA334076], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 24th, 1917

  1917-07-24
• No image

  [NA334080], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 25th, 1917

  1917-07-25
• No image

  [NA334082], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 26th, 1917

  1917-07-26
• No image

  [NA334084], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 25th, 1917

  1917-07-25
• No image

  [NA334096], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 26th, 1917

  1917-07-26
• No image

  [NA334112], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 27th, 1917

  1917-07-27
• No image

  [NA334136], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 28th, 1917

  1917-07-28
• No image

  [NA334146], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 30th, 1917

  1917-07-30
• No image

  [NA334163], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, July 31st, 1917

  1917-07-31
• No image

  [NA334164], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 30th, 1917

  1917-07-30
• No image

  [NA334166], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 31st, 1917

  1917-07-31
• No image

  [NA334168], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, August 1st, 1917

  1917-08-01
• No image

  [NA334172], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, July 31st, 1917

  1917-07-31
• No image

  [NA334174], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, August 1st, 1917

  1917-08-01
• No image

  [NA334176], Technical Note, Archibald David Hoffman, Joseph Miller, William Walter Dinwiddie, August 2nd, 1917

  1917-08-02
• No image

  [NA334179], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 3rd, 1917

  1917-08-03
• No image

  [NA334181], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, August 4th, 1917

  1917-08-04
• No image

  [NA334182], Technical Note, Archibald David Hoffman, Joseph Miller, William Walter Dinwiddie, August 1st, 1917

  1917-08-01
• No image

  [NA336001] Technical Note, August 1917

  1917-08-00
• No image

  [NA336008], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, August 6th, 1917

  1917-08-06
• No image

  [NA336010], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 8th, 1917

  1917-08-08
• No image

  [NA336018], Technical Note, Archibald David Hoffman, Thomas Alva Edison, William Walter Dinwiddie, August 10th, 1917

  1917-08-10
• No image

  [NA336024], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 8th, 1917

  1917-08-08
• No image

  [NA336030], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, August 10th, 1917

  1917-08-10
• No image

  [NA336036], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 9th, 1917

  1917-08-09
• No image

  [NA336037], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 13th, 1917

  1917-08-13
• No image

  [NA336038], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 10th, 1917

  1917-08-10
• No image

  [NA336046], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 15th, 1917

  1917-08-15
• No image

  [NA336049], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 16th, 1917

  1917-08-16
• No image

  [NA336050], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 21st, 1917

  1917-08-21
• No image

  [NA336056], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 22nd, 1917

  1917-08-22
• No image

  [NA336058], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, August 21st, 1917

  1917-08-21
• No image

  [NA336064], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, August 31st, 1917

  1917-08-31
• No image

  [NA336067], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, September 4th, 1917

  1917-09-04
• No image

  [NA336076], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, September 15th, 1917

  1917-09-15
• No image

  [NA336087], Technical Note, Archibald David Hoffman, William Walter Dinwiddie, October 11th, 1917

  1917-10-11
• No image

  [NA336096], Technical Note, William Walter Dinwiddie, Archibald David Hoffman, November 15th, 1917

  1917-11-15