BERTHOUD (Ferdinand & Louis). Reunion of 8 works (includ - Lot 269

BERTHOUD (Ferdinand & Louis). Reunion of 8 works (including 2 in duplicate and one in triplicate) in 7 vols. - Ferdinand BERTHOUD. L'art de conduire et de régler les pendules et les montres... Paris, l'auteur & Michel Lambert, 1759. In-16, late 19th-century binding in green half-chagrin, spine ribbed. First edition of Berthoud's first work, illustrated with 4 engraved plates. - Ferdinand BERTHOUD. L'art de conduire et de régler les pendules et les montres... Paris, l'auteur & Michel Lambert, 1759. In-16, contemporary binding. First edition of Berthoud's first work, illustrated with 4 folded engraved plates. First cover detached. - Ferdinand BERTHOUD. L'art de conduire et de régler les pendules et les montres... Paris, Courcier, 1811. In-12, 20th century binding in fawn half-basane, smooth spine decorated. Enlarged edition, illustrated with 5 engraved plates, 2 of which are folded. - Ferdinand BERTHOUD. L'art de conduire et de régler les pendules et les montres... Paris, Courcier, 1811. In-12, late 19th century binding in green half-chagrin, spine ribbed. Enlarged edition, illustrated with 5 engraved plates, one of which is folded. Bound in the following pages: - Louis BERTHOUD. Entretiens sur l'horlogerie à l'usage de la marine... Paris, l'auteur, 1812. Handwritten ex-dono of A. L. Berthoud, the author's grandson, on the first flyleaf and false-title of the second book. A signed autograph letter is bound at the end of the book. - Ferdinand BERTHOUD & L. JANVIER. Nouveau régulateur des horloges, des montres et des pendules... Paris, Librairie encyclopédique Roret, 1838. In-16. First edition of this Roret manual, illustrated with 5 engraved plates on a folded leaf. Binding rubbed, major loss to spine. - Louis BERTHOUD. Entretiens sur l'horlogerie à l'usage de la marine... Paris, l'auteur, 1812. In-12, 20th-century brown basane binding, smooth spine decorated. First edition. Mottling. Upper spine entirely split. - Louis BERTHOUD. Entretiens sur l'horlogerie à l'usage de la marine... Paris, l'auteur, 1812. In-12, contemporary binding in marbled fawn basane, smooth spine decorated. First edition. Handwritten label of bookbinder J. B. Puynesge in Seez. Binding rubbed, spine badly missing. Enclosed a signed autograph letter (1 p. in-8) addressed to Messieurs Berthoud frères, mailed from Le Havre on Sept. 16, 1833. Joint: L'horloger. 1905-1911. Deliveries in 4 vol. in-4, worn bindings.