iter-avtoThe Iter Avto is the ancestor to today’s in car GPS navigation systems. The Iter Avto was created in the 1930′s and worked by scrolling a map as you drove along. The device was attached to a cable similar to a speedometer cable so the scroll speed of the map coincided with the speed of the vehicle. The major problem was that as soon as the driver turned a corner they would have to put a new map in.

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