Items

• [D7830Y], Incorporation Record, Edison Speaking Phonograph Co, April 24th, 1878
  1878-04-24
• [D7932ZBF17], Incorporation Record, Edison Speaking Phonograph Co, April 24th, 1878
  1878-04-24
• [X154A2BJ], Minutes, Edison Speaking Phonograph Co, May 21st, 1878
  1878-05-21
• [X154B3C632], Letter from Gardiner Greene Hubbard to Charles Augustus Cheever, May 28th, 1879
  1879-05-28
• [X154B3C637], Letter from Uriah Hunt Painter to Gardiner Greene Hubbard, June 2nd, 1879
  1879-06-02
• [X154CCF], Letter from Charles Augustus Cheever to Gardiner Greene Hubbard, May 29th, 1879
  1879-05-29