Full title reads: "The Wheels Go Round - By Radio".
Whitemoor, Cambridgeshire. Radio is used to control trains in a marshalling yard.
MV Signalman operating brake control. Trucks passing cabin. (For super title.)
GV Int. signal cabin. Foreman of box gives radio signalman directions.
CU Radio signalman turns to send message to engine. CU Hand pressing switch.
MV Train driver Bob Gimbert. GV in railway engine cab picks up receiver to answer call.
MV Radio signalman sending message.
MV Int. Cab. CU Driver answers. MV Driver leans forward to replace microphone. CU. Microphone being put onto hook.
MV Signalman looking out into fog as train passes. MV Fog man placing detonator on line. CU Detonator being placed on line. MV Train passing over detonator.
LV Signal cabin. MV Signalman on brake control. CU Pan Engine driver at cab window. GV Through cab window. MV Towards trucks being shunted into different sidings.