Items

• [D8805AFN], Letter from Thomson Electric Welding Co to Thomas Alva Edison, August 9th, 1888
  1888-08-09
• [D8805AHE], Letter from Thomson Electric Welding Co to Thomas Alva Edison, October 8th, 1888
  1888-10-08
• [D9064AAY], Letter from Thomson Electric Welding Co, Harrison Augustus Royce to Samuel Insull, August 11th, 1890
  1890-08-11
• [D9064ABB], Letter from Thomson Electric Welding Co to Thomas Alva Edison, September 13th, 1890
  1890-09-13
• [D9064ABG], Letter from Harrison Augustus Royce, Thomson Electric Welding Co to Edison General Electric Co, Samuel Insull, September 25th, 1890
  1890-09-25
• [LB044052], Letter from Thomson Electric Welding Co to Thomas Alva Edison, September 13th, 1890
  1890-09-13