FIRST EDITION, folio (258 x 185mm.), woodcut diagrams in text, some full-page, last leaf with errata and imprint on recto, seventeenth-century calf gilt, red edges, minor spotting, lacking final two leaves (containing errata and colophon), rebacked partially retaining original spine, slightly rubbed at repaired at places

bought from Simon Finch, London, 2000; Erwin Tomash, booklabel

Cinti 4; Edit16 16712; Riccardi ii, 179; Tomash & Williams M120; USTC 826164

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."

First edition of a treatise on planispheric compasses, two instruments designed by the author to facilitate the tracing of curves in universal planispheres.