AIRPLANES

80pp., 8vo. Stapled and unbound. In good condition, on lightly-aged paper. On front cover: 'Each Book in this Catalogue is written by an Expert and is written so you can understand it'. Many items illustrated with representations of the binding. Index of subjects on p.2, ranging from 'Abrasives and Abrasive Wheels' to 'Wiring Diagrams', and including section on 'Automobile Books', pp.5-14 (Charts, Ignition Systems, Lighting, Questions and Answers, Repairing, Starting Systems, Trouble Charts, Welding), 'Gasoline Engines', pp.15-18, and 'Aviation', pp.19-22.

26pp., 12mo. Stitched. In remains of original printed wraps. On aged paper, in chipped wraps, with several leaves loose. An important work in the history of eronautics by one of the great experimental physicists of the nineteenth century. Excessively scarce: no copy of this offprint in the British Library or on COPAC. 'In this lecture Rayleigh discusses the method of calculating the mechanical forces on a plane presented obliquely to a current of air, so far as this can be done. At best, the calculation is very incomplete.

4to, 22 pp. In original green printed wraps. Frontispiece photograph on art paper, inscribed in bottom right-hand corner 'A M. Maggs Bros booksellers | Souvenir de la guerre | Pce. Laforge de Vitanval | Madrid 12 Aout 16'. Text clear and complete. In fair condition, on lightly aged and worn paper. No diagrams. The invention is described as 'un Aéro-frein ou frein automatique pour aéroplanes et toutes espèce de machines volantes, empêchant le capotement des appareils, en cas d'accident ou d'arrêt subit du moteur'.

8vo bifolium: 4 pp. On art paper. Unbound. On aged and creased paper. Clear and complete. Arranged as a magazine article, with the text in two columns. Six photographs of the exterior and interior of the plane. Two diagrams, including one full-page and extremely detailed cross-section, captioned 'The Bristol Bombay Bomber-Transport | (Two 1,010 h.p. Bristol Pegasus XXII motors).'

One of the letters is 4to, 2 pp; ten are 4to, 1 p; and one is foolscap, 1 p. The collection is in good condition, on lightly aged paper. Many of the letters are docketed and most bear the Society's dated stamp. Written in the capacity of Secretary of the Aeronautical Society, and editor of its 'Official Organ - The Aeronautical Journal'. Topics include the hiring of the Royal Society's hall for two series of talks to the Aeronautical Society. Faraday also discusses the details of a lecture by 'Mr.

Novelist and writer on aeronautics (1885-1968). All items one page, quarto. As a whole good, though grubby, but some items with pin holes, closed tears, etc. Most bearing the R.S.A. stamp and some docketed. Three items with enclosures. The items are dry communications relating to the arranging of R.A.S. lectures at the R.S.A.