| Web Link | Summary of Content | Comments | |
| 1 | St. Andrew's University, Scotland, U.K. | Brief biography, good example of conformity enforcement | Good description of his life and excellent links to other related web links |
| 2 | Institute and Museum of the History of Science of Florence, Italy | Describes his inventions using graphical content, demonstrates diversity of his ideas | Strong multimedia emphasis on his mechanical inventions |
| 3 | etc. | ||
| 4 | |||
| 5 |