The Way to Fly: A Practical Introduction to Flight for Beginners. Cr. 8vo. Pp. 156. 1919. Pearson. 3s. 6d.

Bairstow, L. Applied Aero-dynamics. 8vo. Pp. 578. 1920. Longmans. 328.

Berriman, A. E.

Aviation: an

Introduction to the Elements of Flight. 2nd edn. Demy 8vo. Pp.388. 1913. Methuen. 12s. 6d. Bryan, G. H. Stability in Aviation. 8vo. Pp. 204. 1911. Macmillan. 68. 6d.

Chatley, H. The Problem of Flight.

A Text-book of Aerial Engineering. 3rd edn. in preparation. Griffin. Cowley, W. L., and Levy, H. Aeronautics in Theory and Practice. 2nd edn. Demy 8vo. Pp. 343. 1920. Arnold. 25s.

De Villamil, R. Resistance of Air. Demy 8vo. Pp. 192. 1917. Spon. 8s. 6d.

The Laws of Avanzini. Laws of Planes moving at an Angle in Air and Water. Super Roy. 8vo. Pp. 23. 1912. Spon. 2s.

Devillers, R. The Dynamics of the Aeroplane. Translated by W. J. Walker. Demy 8vo. Pp. 310. 1920. Spon. 218.

Duchêne, E. A. Flight Without Formulae: Simple Discussions on the Mechanics of the Aeroplane. Translated by J. H. Ledeboer. 3rd imp. 8vo. Pp. 220. 1918. Longmans. 9s.

The Mechanics of the Aeroplane. A Study of the Principles of Flight. Translated by J. H. Ledeboer and T. O'B. Hubbard. 8vo. Pp. 240. 1918. Longmans. 9s.

Eiffel, G. The Resistance of the Air and Aviation. Translated by J. C. Hunsaker. 2nd edn. Roy. 4to. Pp. 242. Constable. 42s.

Greenhill, Sir A. G. Dynamics of Mechanical Flight. Demy 8vo. Pp. 121. 1912. Constable. 68. Report on Gyroscopic Theory. 1914. H.M.S.O. 108.

Report on the Theory of a Stream Line past a Plane Barrier, and of the Discontinuity arising at the Edge, with an Application of the Theory to an Aeroplane. 1911. H.M.S.O. 58.

Appendix to ditto. Theory of a Stream Line past a Curved Wing

1916. H.M.S.O. 4s.

Hankin, E. H. Animal Flight: A

Record of Observation. Demy 8vo. Pp. 413. 1914. Iliffe. 12s. 6d. Hobbs, F. D. How to Fly and In

struct on an “Avro." Cr. 8vo. Pp. 75. 1919. Longmans. 3s. 6d. Hunsaker, J. C. The Triplane and the Stable Biplane. Demy 8vo. Pp. 36. 1918. Pitman. 3s. Lanchester, F. W. Aerial Flight. Demy 8vo. Vol.1. Aerodynamics, 4th edn. Pp. 442. 1918. Vol. 2. Aerodonetics. 2nd edn. Pp. 433. 1917. Constable. 21s. each.

The Flying Machine from an Engineering Point of View. Together with a Discussion concerning the Theory of Sustentation and Expenditure of Power in Flight. Demy 8vo. Pp. 143. 1918. Constable. 58.

Laws, B. C. Stability and Equilibrium of Floating Bodies. Demy 8vo. Pp. 261. 1914. Constable. 10s. 6d.

Le Maitre, W. Natural Stability, and the Parachute Principle in Aeroplanes. Cr. 8vo. Pp. 48. 1911. Spon. 2s. 6d.

McMinnies, W. G. Practical Flying: Complete Course of Flying Instruction. 2nd edn. Cr. 8vo. Pp. 237. 1918. Temple Press.

58.

Camm, S. Aeroplane Construction.

A Handbook on the Various Methods and Details of Construction employed in the Building of Aeroplanes. Demy 8vo. Pp. 146. 1919. Crosby Lockwood. 7s. 6d. Camm, F. J. The Design of Model Aeroplanes. Demy 8vo. Pp. 172. 1919. Benn Bros. 78. 6d.

Fage, A. The Aeroplane: A Concise Scientific Study. 5th edn. Med. 8vo. Pp. 188. 1918. Griffin. 78. 6d.

Hanby, W. Metals in Aircraft Construction. Demy 8vo. Pp. 112. 1920. Standard Air Press. 68. Hill, F.T. Practical Aeroplane Construction. A Treatise on Modern Workshop Practice as applied to the Building of Aircraft. Demy 8vo. Pp. 248. 1920. Spon. 12s. 6d. Jones, T. H., and Frier, J. D. Aeroplane Structural Design. A Book for Designers, Draughtsmen and Students. Demy 8vo. Pp. 279. 1920. Pitman. 21s.

Judge, A. W. The Design of Aeroplanes. 2nd edn. Med. 8vo. Pp. 242. 1917. Pitman. 14s.

Elementary Principles of AeroConstruction. plane Design and Med. 8vo. Pp. 116. 1919. Pitman. 78. 6d.

Fuselage Design. Demy 8vo. Pp. 30. 1919. Pitman. 3s.

Aircraft and Automobile Materials of Construction. A Treatise for Aircraft, Automobile, and Mechanical Engineers, Manufacturers, Constructors, Designers, Draughtsmen, Students, etc. Demy 8vo. Vol. 1. Ferrous Materials. Pp. 755. 1920. Vol 2. Non-Ferrous and Organic Materials. Pp. 606. 1921. Pitman. 25s. each.

Kennedy, R. The Principles of Aeroplane Construction, with Calculations, Formulae. 8vo. Pp. 146. 1911. Churchill. 6s. 6d.

Morgan, A. P. How to Build a 20-ft. Bi-plane Glider. Cr. 8vo. Pp. 60. 1909. Spon. 2s. 6d.

Pippard, A. J. S., and Pritchard, J. L. Aeroplane Structures, with an Introduction by L. Bairstow. Pp. 374. 1919. Longmans.

Svo.

21s.

v. AERO ENGINES. Burls, G. A. Aero Engines: with a General Introductory Account to the Theory of the Internal Combustion Engine. 11th edn. Demy 8vo. Pp. 206. 1918. Griffin. 8s. 6d. Clark, A. G. Aeronautical Engines. Demy 8vo. In preparation. Chapman & Hall.

Devillers, R. Automobile and Aero

Engines. A Handbook for Students, Draughtsmen and Designers. Translated by W. J. Walker. Demy 8vo. Pp. 416. 1919. Spon. 16s. Kean, F. J. Aeronautical Engines. A critical survey of current practice with special reference to the balancing of inertia forces. 2nd edn. Demy 8vo. Pp. 102. 1918. Spon. 78. 6d.

Klemin, A. A Text-book of Aeronautical Engineering. Demy 8vo. Pp. 317. 1919. Pitman. 15s. Sylvester, C. Design and Construction of Aero Engines. Demy 8vo. Pp. 147. 1919. Aeroplane Pub. Co. 6s.

Wallace, J. Design of Aeroplane Engines. Demy 8vo. Pp. 246. 1920. Benn Bros. 158.

vi. AERIAL NAVIGATION. Card, S. F. Air Navigation Notes and Examples. Demy Svo. Pp. 148. 1919. Arnold. 10s. 6d. Creagh-Osborne, F. The Magnetic Compass in Aircraft. 5th edn. Small Cr. 8vo. Pp. 48. 1918. Arnold. 18. 6d.

Dixie, A. E. Air Navigation for Flight Officers. Demy 8vo. Pp. 234. 1917. John Hogg. 10s. 6d. Dumbleton, J. E. Principles and Practice of Aerial Navigation. Demy 8vo. Pp. 180. 1920. Crosby Lockwood. 12s. 6d.

Wimperis, H. E. A Primer of Air Navigation. Cr. 8vo. Pp. 142. 1920. Constable. 8s. 6d.

vii. REFERENCE BOOKS FOR

AVIATORS.

Aerial Year Book and Who's Who in the Air, 1920. Cr. 8vo. Pp. 328. 1920. Cross Atlantic Newspaper Service. Paper, 2s. 6d. Cloth, 48.

Blake, W. J. The] Aviation Cate chism. Roy. 16mo. Pp. 64. 1919. Nisbet. 18. 6d.

Dander, M. M. Airman's International Dictionary; including the most important Technical Terms of Aircraft Construction. EnglishFrench-Italian-German, with a "one alphabet" index for these four languages. Pocket size. Pp. 228. 1920. Griffin. 6s.

Dommett, W. E. A Dictionary of Aircraft. Cr. 8vo. Pp. 52. 1918. Pitman. 28.

Pratt, H. B. Commercial Airships. 8vo. Pp. 250. 1920. Nelson. 158. Summer, P. H. The Design and Stability of Stream Line Kite Balloons; with useful Tables, Aeronautical and Mechanical Formulæ. 8vo. Pp. 146. 1920. Crosby Lockwood. 10s. 6d.

Talbot, F.A. Aeroplanes and Dirigibles of War. Cr. 8vo. Pp. 296. 1915. Heinemann. 3s. 6d.

Whale, G. British Airships: Past, Present and Future. Cr. 8vo. Pp. 244. 1919. Lane. 7s. 6d.

Vol. 4.

Pp.

Vol. 5.

Pp.

608. 1902. 17s. 6d. 618. 1903. 18s. 6d. 636. 1912. 17s. 6d. Vol. 6. Pp. 718. 1920. 50s. Cambridge University Press.

Schuster, Sir A. The Progress of Physics during 33 years (18751908). Demy 8vo. Pp. 174. 1911. Cambridge University Press. 5s. 6d. Stokes, Sir G. G. Mathematical and Physical Papers. 5 vols. Demy 8vo. Vol.1. Pp.338. 1880. 21s. Vol. 2. Pp. 374. 1883. 17s. 6d. Vol. 3. 178. 6d. Vol.4. Pp. 386. 1904. 17s. 6d. Vol. 5. Pp. 395. 1905. 21s. Cambridge University Press.

Memoirs presented to the Cambridge Philosophical Society on the occasion of his Jubilee. Demy 4to. Pp. 475. 1900. Cambridge University Press. 21s.

Thomson, J. Collected Papers in Physics and Engineering. Selected and arranged by Sir J. Larmor and J. Thomson. Demy 8vo. Pp. 592. 1912. Cambridge University Press.

18s.

Whetham, W. C. D. The Recent Development of Physical Science. Large Cr. 8vo. Pp. 338. 1909. Murray. 78. 6d.

ii. GENERAL WORKS. Aldous, J. C. P. An Elementary Course of Physics. Ex. Cr. 8vo. Pp. 902. 1910. Macmillan. 7s. 6d.

Allen, H. S., and Moore, H. A Text-book of Practical Physics. Ex. Cr. 8vo. Pp. 638. 1920. Macmillan. 10s. 6d.

Bower, W. R., and Satterly, J. Practical Physics. (Being Vol. 6 of The Tutorial Physics. 6th imp. Cr. 8vo. Pp. 402. 1918. University Tutorial Press. 6s. 6d.

Brown, S. E. Experimental Science. Cr. 8vo. 1918. 2 Parts. Part 1. Physics. Pp. 280. 6s. 6d. Part 2. Chemistry. Pp. 148. 4s. 6d. The two parts in one volume. 10s. 6d. Cambridge University Press.

Campbell, N. R. Physics: The Elements. Large Roy. 8vo. Pp. 576. 1920. Cambridge University Press.

40s.

Candy, H. C. H. A Manual of Physics, Theoretical and Practical, for Medical Students. 2nd edn. Feap. 8vo. Pp. 451. 1918. Cassell. 7s. 6d.

Catechism Series. Physics. 2nd edn. 2 Parts. Revised by G. C. Knott. Livingstone. 18. 9d. each.