Contemporary specimens of compositions, accompanied by explanatory or supplementary letters by the authors themselves, describing their methods, habits of writing, revisions, etc. cf. Pref
Practical arithmetick in four books : I. Whole numbers, weights and measures. II. Fractions, vulgar and decimal. III. Mercantile arithmetick. IV. Extraction of roots, progressions, &c. : Extracted from the large and entire treatise, and adapted to the commerce of Ireland, as well as that of Great-Britain. : For the use of schools
