A lot of 12 drawings of the earliest sketches to have survived. 1. Multiplani- twin propellers and 12-15 small wings, annotated in French with suggestions on power-to-weight ratios and a note 'Dearest Caproni, what have you done', 79cm x 59cm; 2. Several different configurations and fittings, 75cm x 59cm; 3. Various fittings etc. 'G. Caproni Ing.' signatures in ink, 75cm x 59cm; 4. A three-view sketch with a chain drive to two propellers, 59cm x 75cm; 5. A well-resolved plan view drawing of a monoplane, dated 'Milano 1909' 60cm x 75cm, corner lost; 6. side view with multiplane canard elevator, and two aerofoils, 77cm x 75cm; 6a verso. a folding airframe; 7. more ideas with handwritten notes, 76cm x 60cm; 8. front aspect with undercarriage bracing 38cm x 61cm; 8a verso. a rough sketch with aerofoil; 9. A sketch showing the position of the pilot, 36cm x 61cm; 10. Two side views etc. 38cm x 61cm; 11. A large side view sketch with details of attachment plates etc. 38cm x 61cm; 12. Front view showing undercarriage bracing etc, 38cm x 61cm