Items

• [D9047AAT], Letter from Thomas Alva Edison to H P McIntosh, February 3rd, 1890
  1890-02-03
• [LB029112], Letter from Alfred Ord Tate to H P McIntosh, April 15th, 1889
  1889-04-15
• [LB032345], Letter from Alfred Ord Tate to Canadian Copper Co, H P McIntosh, September 18th, 1889
  1889-09-18
• [LB036426], Letter from Thomas Alva Edison to Canadian Copper Co, H P McIntosh, January 29th, 1890
  1890-01-29
• [LB037054], Letter from Thomas Alva Edison to Canadian Copper Co, H P McIntosh, February 3rd, 1890
  1890-02-03
• [LB037100], Letter from Alfred Ord Tate to H P McIntosh, Canadian Copper Co, February 4th, 1890
  1890-02-04