Items

• [D8801AAK], Letter from Derick H Fitch to Thomas Alva Edison, May 31st, 1888
  1888-05-31
• [D8801AAP], Letter from Derick H Fitch to Ezra Torrance Gilliland, June 19th, 1888
  1888-06-19
• [D8801AAU], Letter from Derick H Fitch to Ezra Torrance Gilliland, July 7th, 1888
  1888-07-07
• [D8801AAW], Letter from Derick H Fitch to Alfred Ord Tate, July 16th, 1888
  1888-07-16
• [D8801AAY], Letter from Derick H Fitch to Alfred Ord Tate, July 23rd, 1888
  1888-07-23
• [D8801ABA], Letter from Derick H Fitch to Alfred Ord Tate, August 6th, 1888
  1888-08-06
• [D8801ABB], Letter from Derick H Fitch to Thomas Alva Edison, September 21st, 1888
  1888-09-21
• [D8801ABE], Publication, Derick H Fitch, 1888
  1888-00-00
• [D8801ABF], Instructions, Derick H Fitch, 1888
  1888-00-00