Items

Items

• 

  [D7802ZZFZ], Letter from George Frederick Barker to Thomas Alva Edison, October 20th, 1878

  1878-10-20
• 

  [D8239B], Letter from Edward Hibberd Johnson to Thomas Alva Edison, January 6th, 1882

  1882-01-06
• 

  [MBN012023], Technical Note, Charles Batchelor, September 18th, 1883

  1883-09-18
• 

  [NM017AAG1], Letter from Thomas Alva Edison to Henry W Seely, November 1st, 1882

  1882-11-01