Correspondence, printed material, business records, and other ephemera relating to the business and personal interests of the American businessman and inventor.
Letters concerning James (Jimmy) Thornton of Cincinnatus, New York, a pupil at the New York Asylum for Idiots in Syracuse, from Dr. Hervey Wilbur and other staff at the institution to the boy's mother, Mary Thornton (later Mary Wheat).
Single volume containing a report involving patent infringement of the Kemp Manure Spreader. Included is a typescript of the decision along with several pages of illustrative documents.
Correspondence, printed material and specimens of late 19th and early 20th century penmanship; much of the correspondence is address to L.A. Platz, an "expert penman" living in Syracuse, New York. Includes correspondence with noted penman Albert Meub as well as the Zaner-Bloser Company and its Zanerian College of Penmanship.