Items

• [D7609A], Letter from Robert Grimshaw, Wagner Free Institute of Science to Thomas Alva Edison, January 5th, 1876
  1876-01-05
• [D8007K], Letter from Robert Grimshaw to Thomas Alva Edison, March 18th, 1880
  1880-03-18
• [D8007L], Letter from Franklin Institute. Journal, Robert Grimshaw to Thomas Alva Edison, March 19th, 1880
  1880-03-19
• [D8506Q], Letter from American Journal of Railway Appliances, Robert Grimshaw to Thomas Alva Edison, August 26th, 1885
  1885-08-26
• [D8546ZAH], Letter from American Journal of Railway Appliances, Robert Grimshaw to Thomas Alva Edison, August 26th, 1885
  1885-08-26
• [D8704ABV], Letter from American Institute, Robert Grimshaw to Thomas Alva Edison, August 12th, 1887
  1887-08-12
• [D8704ADL], Letter from American Institute, Robert Grimshaw to Thomas Alva Edison, October 10th, 1887
  1887-10-10
• [D8704AEA], Letter from American Institute, Robert Grimshaw to Thomas Alva Edison, October 25th, 1887
  1887-10-25
• [D8705AAV], Letter from Robert Grimshaw to Thomas Alva Edison, December 1887
  1887-12-00
• [D8907ABD], Letter from Practical Publishing Co, Robert Grimshaw to Thomas Alva Edison, April 27th, 1889
  1889-04-27