How the Teleprinter Works
Movie| Title | How the Teleprinter Works |
| User score | 0 |
| Release date | Oct 20, 1940 |
| Genre | Documentary |
| Director | J.D. Chambers |
| Production country | United Kingdom |
| Production companies | GPO (General Post Office) Film Unit |
| Run time | 11 min. |
A short films showing how the Teleprinter works.