Items

• [E1469GZ], Letter from Blake and Burkart, Herbert E Blake to Thomas Alva Edison, October 1st, 1914
  1914-10-01
• [E1469HS], Letter from Blake and Burkart, Herbert E Blake to Edison (Thomas A.) Inc, November 3rd, 1914
  1914-11-03
• [E1565DW], Letter from Herbert E Blake, Blake and Burkart to Thomas Alva Edison, March 18th, 1915
  1915-03-18
• [E1565JI], Letter from Herbert E Blake, Blake and Burkart to Albert C Ireton, June 15th, 1915
  1915-06-15
• [E1565JL], Letter from Herbert E Blake, Blake and Burkart to Albert C Ireton, June 17th, 1915
  1915-06-17
• [E1565KB], Letter from Herbert E Blake, Blake and Burkart to Thomas Alva Edison, June 29th, 1915
  1915-06-29
• [E1770BS], Letter from Blake and Burkart, Herbert E Blake to William Maxwell, February 24th, 1917
  1917-02-24