GALLON, MACHINES ET INVENTIONS APPROUVÉES PAR L'ACADEMIE ROYALE DES SCIENCES, 1735, 6 VOL., CONTEMPORARY CALF

FIRST EDITION, 6 volumes, 4to (257 x 184mm.), half-titles, titles printed in red and black, 433 engraved plates, all but 2 folding (numbered 1-429, plus 105*, 177*, 329*, 2 additional plates numbered 341, but 197-8 on one sheet), contemporary calf, spines gilt, modern folding cloth boxes, bindings slightly worn

Bern Dibner (1897-1988), Burndy Library, bookplate; bought from Jonathan Hill, New York, 1987

Tomash & Williams G22; Maire, Pascal, i, pp.64-65

the condition of this lot is as described in the catalogue description
"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."

This copiously illustrated work describes inventions by Perrault, Huygens, Cassini, Clairaut, Gauger, Le Maire, De La Hire, Morland, Nolet, and others, and in particular the arithmetic machines of Pascal (vol.4, plates 262-263), Lépine (vol.4, plates 259-261), and Hillerin de Boistissandeau (vol.5, plates 341-343). A seventh volume was issued some years later, in 1777, covering inventions in the years 1735-1754. These first six volumes cover 1666-1734.