Wsp
Movie| Title | Wsp |
| User score | 0 |
| Release date | Jan 1, 1974 |
| Genre | Documentary |
| Director | John Armstrong |
| Production country | United Kingdom |
| Production companies | Pelican Films, Stewart Hardy Films |
| Run time | 15 min. |
A BAFTA award nominated documentary demonstrating how the particular characteristics of friction are used on a new braking system to give greater control and greater safety when driving.