Technical Specifications
| Runtime |
1 hr 21 min (81 min) 1 hr 2 min (62 min) (1940 re-issue) (UK) 1 hr 14 min (74 min) (1990 NFA-restoration) (UK) 1 hr 12 min (72 min) (Milestone print) (USA) |
| Sound Mix | Mono (Marconi's Visatone System) |
| Color | Black and White |
| Aspect Ratio | 1.37 : 1 |
| Negative Format | 35 mm |
| Cinematographic Process | Spherical |
| Printed Film Format | 35 mm |
