Items

• [D9058AAA1], Letter from Jesse H Lippincott to Trask (Spencer) & Co, January 20th, 1890
  1890-01-20
• [D9058AAA2], Letter from Benjamin Francis Thurston to Trask (Spencer) & Co, January 20th, 1890
  1890-01-20
• [D9058AAC], Letter from Erastus Wiman to Trask (Spencer) & Co, January 30th, 1890
  1890-01-30
• [E1556BD], Letter from Thomas Alva Edison to Trask (Spencer) & Co, October 14th, 1915
  1915-10-14
• [LB016188], Letter from Samuel Insull to Trask (Spencer) & Co, George Foster Peabody, April 24th, 1883
  1883-04-24
• [LB038110], Letter from Alfred Ord Tate to Trask (Spencer) & Co, S C Blodget, Jr., March 3rd, 1890
  1890-03-03
• [LB040294], Letter from Alfred Ord Tate to Trask (Spencer) & Co, Edwin Muhlenberg Bulkley, May 1st, 1890
  1890-05-01
• [LB042221], Letter from Alfred Ord Tate to Trask (Spencer) & Co, James B Skehan, July 7th, 1890
  1890-07-07
• [LB107393], Letter from Thomas Alva Edison to Trask (Spencer) & Co, October 14th, 1915
  1915-10-14
• [QP009A107], Letter from North American Phonograph Co, Jesse H Lippincott to Trask (Spencer) & Co, January 20th, 1890
  1890-01-20
• [QP009A112], Letter from Benjamin Francis Thurston to Trask (Spencer) & Co, January 20th, 1890
  1890-01-20