01651nam 2200445Ia 450 99638616470331620200824132152.0(CKB)4940000000078049(EEBO)2240955312(OCoLC)ocm12609076e(OCoLC)12609076(EXLCZ)99494000000007804919850927d1685 uy |engurbn||||a|bb|The art of numbring by speaking rods, vulgarly termed Nepeirs bones[electronic resource] by which the most difficult parts of arithmetick, as multiplication, division, and extracting roots both square and cube, are performed with incredible celerity and exactness (without any charge to the memory) by addition and subtraction onlyLondon Printed by T.B. for H. Sawbridge ...1685[7], 86, [2] pReproduction of original in Huntington Library.Attributed to William Leybourn. cf. NUC pre-1956.On t.p.: Published by W.L.Folded table inserted.Advertisement: p. [1] at end.Errata: p. [2] at end.eebo-0113QuadrantSundialsEarly works to 1800Mathematical instrumentsQuadrant.SundialsMathematical instruments.Leybourn William1626-1716.1001442EAAEAAm/cWaOLNBOOK996386164703316The art of numbring by speaking-rods, vulgarly termed Nepeirs bones2395522UNISA