Methods

Bemetzrieder, Anton. Leçons de clavecin, Paris: Bluet, 1771, first edition, viii, 362, [1] pages, contemporary wrappers [RISM Écrits, p.132], lower wrapper detached, upper wrapper becoming detached; Levens, Charles. Abregé des regles de l'harmonie pour aprendre la composition, Bordeaux: Jean Chappuis, 1743, first edition, viii, 92, 12, printed errata slip laid down on p.92, eighteenth-century musical diagrams to a leaf affixed to front pastedown, eighteenth-century wrappers [RISM Écrits, p.502], some browning, damp-staining and spotting, staining to covers, some old manuscript annotations to upper cover; Blainville, Charles Henri de. L'Esprit de l'art musical, ou réflexions sur la musique, et ses différentes parties, Geneva, 1754, first edition, [3], 126, [2] pages, 8vo, contemporary calf [RISM Écrits, p.152; Gregory & Bartlett, p.35], joints splitting, extremities rubbed, lacking lettering piece; Roussier, Pierre-Joseph. L' Harmonie pratique, ou exemples pour le Traité des accords, Paris: Chez l'Éditeur, [1775], xvi, 1 leaf, 108 pages, 8vo, music-seller's label to title ("Imbault"), nineteenth-century boards [cf. Hirsch, i 529], a few corners creased, some spotting and browning; Bornet l'ainé. Nouvelle Méthode de violon, Paris: veuve Bornet [?], [c.1799] , 82 pages, folio, bookseller's label covering imprint, contemporary quarter vellum [RISM Écrits, p.169], old repairs to first four torn leaves, some damp-staining, binding worn; Devienne, François. Méthode de Flûte, Paris: B. Pollet and Mathieu, [c.1810], 187 pages, folio, green reversed half pigskin, title cropped, small tear to lower outer corner of pp.5/6, browning to edges, binding very worn; and a later Nadermann edition in two parts of Roeser's translation of Leopold Mozart's Violinschule 

Condition is described in the main body of the cataloguing, 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."