Items

• [D7802ZBR], Letter from Edward Hibberd Johnson to Thomas Alva Edison, February 27th, 1878
  1878-02-27
• [X012G1AD], Letter from Eli Whitney Blake, Jr. to Thomas Augustus Watson, February 5th, 1878
  1878-02-05
• [X099BE033], Minutes, American Speaking Telephone Co, June 11th, 1878
  1878-06-11
• [X107AD], Letter from Moses Gerrish Farmer to George Frederick Barker, December 21st, 1875
  1875-12-21