154 APPENDIX.
wort|geleert ende exemplaerlick aenghewesen.|Op een nieu verrijckt met een nieuwe inventie on alle ronde va-|ten hare wannigheden af te pegelen.|Door|Adrianum Metium. Med. D. & Ma-|thes. Profess. ordinar. binnen Franeker.|
Tot Amsterdam,|By Henderick Laurentsz, Boeckvercooper op ’t|Water, int Schryfboeck, Anno 1634.|
8°. Sizeinches.
Paging. 16 + 246 numbered + 8.
Another Edition.
Gedruckt by Ulderick Balck, Ordi-|naris Landschaps ende Academiz Boecke-|Drucker. Anno 1646.|
Paging. 8 + 377 numbered + 11.
These two editions are catalogued by D. Bierens de Hann in his papers entitled ‘Bouwstoffen voor de Geschiedenis der Wi-en Natuurkundige Wetenschappen in de Nederlanden,’ communicated to the Amsterdam Academy—Verslag. xii., 1878 (Natuurk.), p. 19.
The Art of|Numbring|By|Speaking-Rods:|Vulgarly termed|Nepeir’s Bones.|By which|The most difficult Parts of| Arithmetick,|As Multiplication, Division, and Ex-|tracting of Roots both Square|and Cube,|Are performed with incredible Cele-|rity and Exactness (without any|charge to the Memory) by Addi-|tion and Substraction only.||Published by W. L. ||
London;|Printed for G. Sawbridge, and are to be sold|at his House on Clerkenwell-Green, 1667.|
12°, Size 42 × 23 inches.A1, blank?A21, Title-page.A62, blank. A31–A61, 7 pages, “The Argument To The Reader.”A62, blank. After A62 on a folding sheet is a diagram of the rods. B12–E72, pp. 1–86, The Work. E81, “Errata.” E82–E92, 3 pages, Advertisements.E101–E122, 6 pages, blank?
Signatures. A in six + B to E in twelves = 54 leaves.
Paging. 12 + 86 numbered + 10 = 108 pages.
The author was William Leybourn, and the work contains a short
