Items

• [E1565JA], Letter from Absalom Mason Kennedy to Thomas Alva Edison, June 8th, 1915
  1915-06-08
• [E1740AK], Letter from Thomas Alva Edison to Brown (A.andF.) Co, Williams Patent Crusher and Pulverizer Co, Holmes and Blanchard Co, March 19th, 1917
  1917-03-19
• [MF13BU], Memorandum, William Henry Meadowcroft, March 14th, 1917
  1917-03-14
• [NB239055], Technical Note, William De Mille Telfair, February 1919
  1919-02-00