Machines of the ground floor rooms:

1. Slewing Crane
   
   
2. Worm-Screw Jack
   
   
3. Slewing Crane
   
   
4. Thee-Geared Winch
   
   
5. Light Winch
   
   
6. Flapping Wing
   
   
7. Detail of Mechanical Wing
   
   
8. Flying Machine
   
   
9. Helicopter
   
   
10. Clock Mechanism
    
    
11. Clock at Chiaravelle
    
    
12. Multi-Barrelled Machine Gun
    
    
13. Steam Cannon
    
    
14. Tank
    
    
15. Wheeled Gun
    
    
16. Ladder
    
    
17. Emergency Bridge
    
    
18. Bridge-Canal with Sluice Gates
    
    
19. Thread Twister
    
    
20. Loom
    
    
21. Screw-Press for Oil
    
    
22. Mirror-Polishing Machine
    
    
23. Rolling-Mill
    
    
24. Bronze-Smelting Kiln
    
    
25. Grindstone with Sieve
    
    
26. Hole-Boring Machine
    
    
27. Trasformation of Reciprocating Motion into Rotary Motion
    
    
28. Compound Hoist
    
    
29. Antifiction Bearings
    
    
30. Inclinometer
    
    
31. Hygrometer
    
    
32. Anemometer
    
    
33. Speed Guage for Wind or Water
    
    
34. Study of Epicyclic Train
    
    
35. Spotlight
    
    
36. Stabilizer
    
    
37. Traction Device
    
    
38. Hammer Winch
    
    
39. Ventilator
    
    
40. Pole-Erecting Machine