The re-signalling of 1000 track miles from the River Weaver to the Clyde brings the whole line from London to Glasgow under one system of push-button control and colour light signals, and completes the main line electrification. The film follows the intricate production of equipment, and its installation over, under and between trains. The whole project adds up to a piece of modern technology unsurpassed anywhere in the world.
The film was directed by C. David Lochner.
This title is listed on IMDb as tt2015465.

1927
A day in the city of Berlin, which experienced an industrial boom in the 1920s, and still provides an insight into the living and working conditions at that time. Germany had just recovered a little from the worst consequences of the First World War, the great economic crisis was still a few years away and Hitler was not yet an issue at the time.
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English
United Kingdom