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Invented in 1920′s this could be world’s first navigation system. No satellites or digital screens were used in the making of this portable navigation system. Called Plus Fours Routefinder, this little invention was designed to be worn on your wrist, and the “maps” were printed on little wooden rollers which you would turn manually as you drove along.

Curiosità 30 Apr ’13 dismappa

Il navigatore da polso… degli anni 1920

Il primo navigatore della storia è questo “orologio” con mini mappe arrotolate da scorrere durante il viaggio: Plus Fours Routefinder

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