HENRION, A COLLECTION OF 4 VOLUMES

i. L'usage du compas de proportion. Quatriesme edition. Paris: the author, 1631, 16mo, double-page engraved plate, woodcut diagrams in text, modern vellum and spine label, speckled edges, (bought from Rogers Turner, London, 1992), [T&W H114], occasional staining, some leaves croppedii. L'usage du compas de proportion. Nouvellement revû. Rouen: Denis du Chesne, 1664, 16mo, folding engraved plate, woodcut and engraved diagrams, old vellum, (bought from Librairie Thomas-Scheler, Paris, 1987, Catalogue 12: Précurseurs et novateurs: Mathématiques, item 372), [T&W H115]. occasional dampstaining, vellum slightly soiled and rubbediii. L'usage du compas de proportion. Nouvellement revû. Paris: the author and R.J.B. de La Caille, 1681, 8vo, engraved frontispiece, 2 identical folding engraved plates, woodcut diagrams in text, contemporary calf gilt, ink annotations, (bought from Rogers Turner, London, 1987), [T&W H116], minor worming, without errata, binding slightly worn with foot of spine repairediv. L'usage du compas de proportion. Nouvellement revû. Paris: Nicolas Bion, 1681, 8vo, engraved frontispiece and folding plate, woodcut diagrams, errata at end, contemporary calf gilt, speckled edges, modern folding cloth box, (bought from Librairie Alain Brieux, Paris, 1986), [T&W H117], minor dampstaining and worming, binding slightly worn

Condition is described in the main body of the catalogue, where appropriate.
"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."