H.D. Knowles
Record type: Motorsport Biographies
Competed in
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1938 Lightweight MGP | R | Rudge | ||
| 1937 Lightweight MGP | R | Rudge | ||
| 1936 Junior MGP | R | Velocette |
Record type: Motorsport Biographies
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1938 Lightweight MGP | R | Rudge | ||
| 1937 Lightweight MGP | R | Rudge | ||
| 1936 Junior MGP | R | Velocette |