Bound in blue boards: f. 1 - Blank; ff.2-4 - Letter from John Colson to William Jones; f.5 - Blank; ff.6-9 - A Compendious Method for the Multiplication of large Numbers, especially Decimal Fractions and other Incompleat Numbers, and for continuing the Product to any number of places required. ff.10-15 - A Short Accoung of Negative-affirmative Arithmetick. ff.16-23 (different hand) - "Sect 1. The Introduction containing some general Inquirys into the nature of Arithmetick, its Several Species & Operations."