[NAPIER, J.] MANUSCRIPT IN FRENCH ON NAPIER'S BONES, C.1690S

manuscript in French on "Napier's Bones", describing their use in multiplication, division, and the extraction of square and cube roots, with three fold-outs (tables and calculations including "operation de l'extraction de la Racine cubique"), in a single hand, 15 pages, 4to, watermark of the arms of Colbert (cf. Heawood 690 and 694, both dated late-1680s), stab-stitched in paper wrappers, c.1690s

bought from Roger Gaskell, Warboys, 1994

Tomash & Williams N11

"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."