Logarithmetical Arithmetick, ca. 1765 Digital
This small paper-bound notebook contains James Winthrop's notes from his study of logarithms. It was presumably created between 1765 and 1769, while he was a Harvard undergraduate. The notebook contains prose explanations of logarithms, as well as problem sets, case studies, and examples.
Notes about cases heard as Justice of the Peace, 1784-1795 Digital
Journal concerning the bequest and division of James Winthrop's personal library, 1822-1826 Digital
Certificate to John Walton, guardian to Nathaniel Jarvis, 1804 November 22 Digital
This brief handwritten document certifies that the guardianship of Richard Nichols of Reading, Massachusetts, was granted to yeoman Thomas Hartshorn of Reading according to the records of the Probate Court in Framingham, Massachusetts. The document is attested by James Winthrop in his capacity as register of probate for Middlesex County.
Certificate to Thomas Hartsorn, guardian of Richard Nichols, 1812 June 18 Digital
This brief handwritten document certifies that the guardianship of Nathaniel Jarvis of Cambridge, Massachusetts, was granted to John Walton of Cambridge according to the records of the Probate Office in Cambridge. The document is attested by James Winthrop in his capacity as register of probate for Middlesex County.