Chadwick Safety Automatic Road Guide Circa 1911
 

You need a human navigator on board
with a degree in education to figure this out


https://www.fordbarn.com/forum/attac...1&d=1770570270


https://www.fordbarn.com/forum/attac...1&d=1770570272


Jim

Re: Chadwick Safety Automatic Road Guide Circa 1911
 

Wow!!!!!!

Re: Chadwick Safety Automatic Road Guide Circa 1911
 

That must have been expensive. I'll bet that you had to bring it up to date along your route fairly often. In 1911, I wonder how they collected data for the "perforated record disc" even for the few roads of the time?

Re: Chadwick Safety Automatic Road Guide Circa 1911
 

wow wow! It almost looks like someone concocted a bunch of parts together as a joke.