Catherine Haines' cypher book which shows her education in mathematics including various forms of addition, subtraction, division, and multiplication as well as mathematical tables, weights, measurements, etc. The book shows Catharine working through word problems such as calculating the number of quarts and pints in 17 gallons. Additionally, a number of mathematical rules are written out such as the golden rule and a description of Inverse Proportion. At the end of the volume isa day book, perhaps Reuben Haines', that includes purchases made as well as other transactions as well as a ledger all dated in 1775.; American Philosophical Society