Long before the days of celebrity voices calling out directions while you drive, paper-based attempts at mobile mapping generated an intriguing array of proto-GPS systems, including this quirky pair of manual and automated moving map displays.

Source: 99percentinvisible.org

I typically really enjoy the thoughtful exploration of the untold stories that make up our world found in  99 Percent Invisible.  Of course I would be especially drawn to this particular podcast–an historical glimpse at information overload in the analogy era, mapping technologies to aid navigation–this is just fascinating. 

 

Tags:  podcast, transportation, mapping, GPS, cartography,  historical.