Items

Items

• 

  [E1915AO2], Letter from Marc Darrin, Koppers (H.) Co to Thomas Alva Edison, William Henry Meadowcroft, July 31st, 1919

  1919-07-31
• 

  [E1915AO4], Letter from Marc Darrin, Koppers (H.) Co to William Henry Meadowcroft, September 10th, 1919

  1919-09-10
• 

  [E1915AP], Letter from Marc Darrin, Koppers (H.) Co to William Henry Meadowcroft, September 16th, 1919

  1919-09-16
• 

  [E1915AR], Letter from Koppers (H.) Co, Marc Darrin to William Henry Meadowcroft, September 22nd, 1919

  1919-09-22