Michael Rodd demonstrates an extraordinary new invention that could transform the way drivers negotiate the roads forever. A nifty control unit reads information from the car's milometer and relays instructions to the driver using pre-recorded phrases stored on a cassette tape. With such clear, precise navigation, might this spell the end for unwieldy paper maps and stopping to ask unreliable pedestrians?
This clip is taken from Tomorrow's World, originally broadcast on BBC One, Friday 15 October, 1971.
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