6.30 Collection (1934)
Short documentary showing the workings of a large London sorting office.
Directors: Harry Watt, Edgar Anstey.
| Crew | J. D. Davidson | Cinematography |
| Editing | Harry Watt | Editor |
| Production | John Grierson | Producer |
| Sound | John Cox | Sound Recordist |
| Directing | Harry Watt | Director |
| Directing | Edgar Anstey | Director |