Items

• [NA358059C], Technical Note, Frederick Charles Burt, December 17th, 1915
  1915-12-17
• [NA358059D], Technical Note, Frederick Charles Burt, December 20th, 1915
  1915-12-20
• [NA358059D1], Technical Note, Frederick Charles Burt, December 23rd, 1915
  1915-12-23
• [NA358059E], Technical Note, Frederick Charles Burt, December 21st, 1915
  1915-12-21
• [NA358059F], Technical Note, Frederick Charles Burt, December 22nd, 1915
  1915-12-22
• [NA358059G], Technical Note, Frederick Charles Burt, December 23rd, 1915
  1915-12-23
• [NA362AAA], Letter from George Joseph Werner, Frederick Charles Burt to Walter Henry Miller, December 29th, 1919
  1919-12-29
• [NA362AAD], Technical Note, Frederick Charles Burt, Thomas Alva Edison, January 21st, 1921
  1921-01-21
• [NB264AAF], Technical Note, Frederick Charles Burt, August 10th, 1925
  1925-08-10
• [NB264AAG], Technical Note, Frederick Charles Burt, August 14th, 1925
  1925-08-14
• [NB264AAH], Technical Note, Frederick Charles Burt, February 10th, 1926
  1926-02-10