BEDOS DE CELLE, François, HAMEL, and GUEDON, Joseph Nouveau Manuel complet du facteur d'orgues, new edition 2 vols, Paris 1903. Gr in-8° (text), in-folio (atlas), half calf, xl + 517p. Atlas of 42 double plates on 32 leaves.
The Roret edition of the classic of organ building and tonotechnie by Dom Bedos de Celle (1770) augmented by that of Hamel and completed by an overview of the evolution of the instrument from 1849 to 1902 by Joseph Guédon. These texts are followed by biographies of the organ builders.
The most complete edition of the work, as rare as the original by Bedos.