logoalt Hacker News

rossant • yesterday at 11:25 AM • 2 replies • view on HN

Amazing. Paper-based GPS before actual GPS was a thing.

Replies

Shorel • yesterday at 2:31 PM

And they are called maps. Wonderful stuff.

bizzletk • yesterday at 12:26 PM

Wait till you see the Honda Electro Gyrocator:

https://en.wikipedia.org/wiki/Electro_Gyrocator