museums and institutions:
Attributed works:
1. Cod. Madrid II, by Leonardo da Vinci. Fol.157 Recto. Study for the Iron Armature for the Head of the Horse in the Sforza Monument.
Attributed works:
12. Cod. Madrid I, by Leonardo da Vinci. Fol.26 Recto. Screw Jack, with Ball and Roller Bearing.
Attributed works:
13. Cod. Madrid I, by Leonardo da Vinci. Fol.101 Verso. Roller and Ball Bearings, Sustaining a Vertical Axle.
Attributed works:
14. Cod. Madrid I, by Leonardo da Vinci. Fol.12 Verso. Disc Bearings, Sustaining a Horizontal Axle.
Attributed works:
15. Cod. Madrid I, by Leonardo da Vinci. Fol.100 Verso. Bearing Blocks with Anti-Friction Metal and Universal Joints.
Attributed works:
16. Cod. Madrid I, by Leonardo da Vinci. Fol.5 Recto. Gear-Wheels with Epicycloidal Teeth.
Attributed works:
17. Cod. Madrid I, by Leonardo da Vinci. Fol.23 Recto. Belt Drives.
Attributed works:
18. Cod. Madrid I, by Leonardo da Vinci. Fol.10 Recto. Chain-Drives and Sprocket Wheels.
Attributed works:
19. Cod. Madrid I, by Leonardo da Vinci. Fol.61 Verso. Regulation of a Circular Motion with a Pendulum.
Attributed works:
20. Cod. Madrid I, by Leonardo da Vinci. Fol.21 Verso and 22 Recto. Grain-Mill Combined with Bolting Machine and Stone Lifting Devices.
Attributed works:
21. Cod. Madrid I, by Leonardo da Vinci. Fol.149 Verso and 150 Recto. Experiments in Hydrostatics.
Attributed works:
22. Cod. Madrid II, by Leonardo da Vinci. Fol.22 Verso and 23 Recto. Map of the Arno Valley.
Attributed works:
23. Cod. Madrid II, by Leonardo da Vinci. Fol.52 Verso and 53 Recto. Map of the Surroundings of the City of Pisa and the Mouth of the Arno River.
Attributed works:
24. Cod. Madrid II, by Leonardo da Vinci. Fol.7 Verso and 8 Recto. River Landscape in Red Chalk.
Attributed works:
25. Cod. Madrid II, by Leonardo da Vinci. Fol.7 Recto. Study in Navigation.
Attributed works:
26. Cod. Madrid II, by Leonardo da Vinci. Fol.37 Recto. Studies for a Fortress.
Attributed works:
27. Cod. Madrid II, by Leonardo da Vinci. Fol.123 Verso and 124 Recto. Study in Navigation.
Attributed works:
28. Cod. Madrid I, by Leonardo da Vinci. Fol.127 Verso. Wheel with Luffing Flap for a Windmill.
Attributed works:
29. Cod. Madrid II, by Leonardo da Vinci. Fol.44 Recto. Sketches for a Horizontal Windmill.
Attributed works:
30. Cod. Madrid II, by Leonardo da Vinci. Fol.151 Verso. Casting of the Sforza Monument.
Attributed works:
31. Cod. Madrid II, by Leonardo da Vinci. Fol.149 Recto. Study for the Casting of the Sforza Monument.