The art of numbring by speaking rods, vulgarly termed Nepeirs bones : 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 only.
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| Format: | Microform Book |
| Language: | English |
| Series: | Early English books, 1641-1700 ;
964:2. |
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| Item Description: | Reproduction of original in Huntington Library. Attributed to William Leybourn. cf. NUC pre-1956. On title page: Published by W.L. Folded table inserted. Advertisement: page [1] at end. Errata: page [2] at end. Microform. |
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| Physical Description: | 7 unnumbered pages, 86 pages, 2 unnumbered pages |