— Catalogue No. 7

Paris, Etablissements Aera, 1926. Hardcover. A leather casebound book with dark brown text on the spine and dark brown text and design on the front cover. Sepia pictorial end pages. 231 pages; profusely illustrated with black-and-white images. Text is in French. Contents are as follows: A. Instruments de bord; B. Equipements; C. Appareils de controle au sol; D. Materiaux, Outillage, Bibliographie. VG: Wear to the edges and corners. Stray mark on the cover. Beautiful, heavy pages with bright diagrams and solid binding.