The art of numbring by speaking-rods, vulgarly termed Nepeirs bones : by which the most difficult parts of arithmetick, as multiplication, division, and extracting of roots both square and cube, are performed with incredible celerity and exactness (without any charge to the memory) by addition and subtraction only / published by W.L.
| Author/creator | Leybourn, William |
| Format | Electronic |
| Publication Info | London : Printed for G. Sawbridge and are to be sold at his house ..., 1667. |
| Description | [10], 86 p. |
| Supplemental Content | https://search.proquest.com/docview/2240944397 |
| Subjects |
| Uniform title | Art of numbring by speaking-rods, vulgarly called Nepeirs bones |
| Series | Early English books online. ^A888680 |
| General note | Attributed to William Leybourn. Cf. BM. |
| General note | An enlarged edition was published in 1721 under title: The description and use of ... Gunter's quadrant ... to which is added the use of Nepiar's bones. |
| General note | Folded table inserted. |
| General note | Reproduction of original in British Library. |
| References | Wing L1904 |
| Reproduction note | Electronic reproduction. Ann Arbor, Mich. : UMI, 1999- (Early English books online) Digital version of: (Early English books, 1641-1700 ; 282:7) |
| Other title | Description and use of Gunter's quadrant. |
| Stock number | CL0037000008 ProQuest Information and Learning. 300 N. Zeeb Rd., Ann Arbor, MI 48106 |