| Year | 1996 |
| Date | 19-Jan |
| Volume | 176 |
| Issue | 4,009 |
| Page | 106 |
| Category | Workshop |
| Part | |
| Title | Variable Drive |
| Author | Jim Canner |
| Notes | Describes the research and development of a continuously variable drive. Introduction, description of the basic system, variable throw crank |