Items

• [D0945AAN], Letter from Hooker Electrochemical Co to Clarence Churchill, December 10th, 1909
  1909-12-10
• [E1108AR], Letter from Hooker Electrochemical Co to Thomas Alva Edison, April 28th, 1911
  1911-04-28
• [E1130B], Letter from Hooker Electrochemical Co to West Orange Laboratory, November 27th, 1911
  1911-11-27
• [E1382AA], Letter from Hooker Electrochemical Co to Thomas Alva Edison, January 10th, 1913
  1913-01-10