Items

• [D7836F], Letter from Foster and Thomson to Thomas Alva Edison, January 18th, 1878
  1878-01-18
• [D7836L], Letter from Foster and Thomson to Thomas Alva Edison, February 12th, 1878
  1878-02-12
• [D7836T], Letter from Foster and Thomson to Thomas Alva Edison, February 28th, 1878
  1878-02-28
• [D8255C], Letter from Foster and Thomson to Thomas Alva Edison, January 12th, 1882
  1882-01-12
• [D8255F], Letter from Foster and Thomson to Thomas Alva Edison, January 25th, 1882
  1882-01-25
• [D8255G], Letter from Foster and Thomson to Thomas Alva Edison, March 9th, 1882
  1882-03-09
• [D8255I], Letter from Foster and Thomson to Thomas Alva Edison, April 8th, 1882
  1882-04-08
• [D8255K], Letter from Foster and Thomson to Samuel Insull, April 27th, 1882
  1882-04-27
• [D8255K1], Letter from Foster and Thomson to Thomas Alva Edison, May 1st, 1882
  1882-05-01