Group of ten patent documents pertaining to aircraft and their jet propulsion apparatus, all with their patent lithograph diagrams and specification sheets, dated between 1954 and 1960. Includes: "Reversible Thrust Nozzle for Jet Engines" by P. G. Kappus (June 22, 1954); "Thrust Reversers" by L. S. Billman (April 5, 1960); "Combination Thrust Augmenter, Sound Suppressor and Thrust Reverser for Jet Engine" by J. W. Baxter (July 5, 1960); "Thrust Reversers" by J. S. Voymas et al (July 5, 1960); "Jet Deflectors of Aircraft" by J. A. Flint (August 2, 1960); "Removable Grate for Jet Deflection" by J. H. Bertin et al (August 23, 1960); "Thrust Reverser" by R. G. Laucher et al (August 30, 1960); "Plug Type Nose Suppression and Thrust Reverser" by R. E. Pearson (September 13, 1960); "Jet Propulsion Nozzle with Thrust Reversing Means" by D. M. Brown (October 11, 1960); and "Combination Augmenter, Sound Suppressor and Thrust Reverser for Jet Engines" by C. V. David et al (October 11, 1960). In overall fine condition.