GLAREANUS, DE VI ARITHMETICAE PRACTICAE SPECIEBUS, FREIBURG IM BREISGAU, 1539

FIRST EDITION, 8vo (157 x 98mm.), woodcut device on title, woodcut initials, modern boards, spine gilt, a few leaves slightly shorter, new endpapers, slight soiling also to binding

Kiefer & Moirandat, Basel, 26-27 April 1996, lot 108, Erwin Tomash

Tomash & Williams G49; Smith, Rara arithmetica, pp.191-192; USTC 631941; VD16 L2670 (cf. L2669, different setting of the title-page)

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."

A theoretical text treating quadrivial mathematics in accordance with Boethian number theory, with a lengthy excursus on the correct grammatical use of numerals; at the end is a short “compendiolum” on proportions. It is one of the author’s most successful books, passing through at least four more editions at Freiburg im Breisgau and four others printed abroad.