Items

• [E1518LCM], Letter from James Henry Plummer, Toronto Chemical Co to Thomas Alva Edison, December 22nd, 1915
  1915-12-22
• [E1518DGR], Letter from James Henry Plummer, Toronto Chemical Co to Thomas Alva Edison, April 30th, 1915
  1915-04-30
• [E1518EBW], Letter from Toronto Chemical Co, James Henry Plummer to Thomas Alva Edison, May 14th, 1915
  1915-05-14
• [E1518EDG], Letter from J C McMillan, Toronto Chemical Co to Thomas Alva Edison, May 25th, 1915
  1915-05-25