Items

• [E1483AT], Letter from Charles H Ingersoll to Thomas Alva Edison, December 10th, 1914
  1914-12-10
• [E1715AM], Letter from Charles H Ingersoll to Thomas Alva Edison, September 26th, 1917
  1917-09-26
• [E1715AP], Letter from Charles H Ingersoll to William Henry Meadowcroft, October 2nd, 1917
  1917-10-02
• [E1913AI], Letter from Charles H Ingersoll to Thomas Alva Edison, October 5th, 1919
  1919-10-05
• [E1913AJ], Letter from Charles H Ingersoll to Thomas Alva Edison, October 6th, 1919
  1919-10-06
• [E1913AK], Letter from Charles H Ingersoll to Thomas Alva Edison, October 10th, 1919
  1919-10-10
• [MF14CK], Letter from Charles H Ingersoll to William Henry Meadowcroft, April 20th, 1917
  1917-04-20