20) Here is one of them being pushed on to the train ferry at Harwich on its way to Holland for trials on the Dutch electrified railway system. On the top of the locomotive, folded fiat, you can see the pantograph.

And yet power – steam, diesel, or electric – could not drive this vast and intricate machine of British Railways without what you might call the permanent installations of the railways – track, stations, bridges, warehouses. As far as track is concerned, our forefathers did their job well. We do not often have to lay new railways. But when we do, even before the track itself can be laid the ground must be prepared.