
A step-by-step description of how power from the national grid is supplied to British Railways.
| Release Date | January 1, 1960 | |
|---|---|---|
| Status | Released | |
| Original Title | Railway Electrification at Industrial Frequency | |
| Runtime | 26min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | British Transport Films | |