Items

• [NP090136] Diary, 1911-1912
  1911-1912
• [PT5006A], Technical Note, Newman Henry Holland, September 15th, 1910
  1910-09-15
• [PT5048], Patent Application, Thomas Alva Edison, March 8th, 1912
  1912-03-08
• [PT5054], Patent Application, Sam Gerrish Langley, June 14th, 1912
  1912-06-14
• [PT5062], Patent Application, Thomas Alva Edison, August 21st, 1912
  1912-08-21
• [PT5063], Patent Application, Thomas Alva Edison, October 24th, 1912
  1912-10-24
• [PT5074E], Technical Note, Miller Reese Hutchison, Charles Winfred Norton, April 15th, 1912
  1912-04-15
• [X501D44] Patent Application, Undated