Items

• [E1518LBR], Letter from Thomas Alva Edison to General Chemical Co, December 17th, 1915
  1915-12-17
• [E1421BH], Letter from Thomas Alva Edison to General Chemical Co, Thomas J Parker, August 27th, 1914
  1914-08-27
• [E1508AV], Letter from West Orange Laboratory to General Chemical Co, Thomas J Parker, October 2nd, 1915
  1915-10-02
• [E1518ICC], Letter from West Orange Laboratory to General Chemical Co, Thomas J Parker, September 20th, 1915
  1915-09-20
• [E1518ICZ], Letter from Jonas Walter Aylsworth to Thomas J Parker, General Chemical Co, September 25th, 1915
  1915-09-25
• [E1518MAO], Letter from Thomas Alva Edison to General Chemical Co, Thomas J Parker, 1915
  1915-00-00
• [E1616ABG], Letter from William Henry Meadowcroft to General Chemical Co, January 13th, 1916
  1916-01-13
• [LB098543], Letter from Thomas Alva Edison to General Chemical Co, Thomas J Parker, August 27th, 1914
  1914-08-27
• [LB101704], Letter from Thomas Alva Edison to General Chemical Co, February 13th, 1915
  1915-02-13
• [LB103374], Letter from William Henry Meadowcroft to General Chemical Co, Thomas J Parker, April 15th, 1915
  1915-04-15
• [LB109143], Letter from Thomas Alva Edison to General Chemical Co, December 24th, 1915
  1915-12-24
• [MF22AA], Letter from William Henry Meadowcroft to General Chemical Co, December 1st, 1917
  1917-12-01