In response to our post on the 1930s car-based mechanical mapping device, MAKE reader Simon posted a link to this earlier, wrist-borne scroll-map navigator, from the 20s!
Here’s a bit more background on it.
Plus Four Wristlet Route Indicator: Original GPS
More:
1930s answer to GPS
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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at garstipsandtools.com.
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