An educational film from Chevrolet explains what it took to make an accurate map.
While Apple takes on the challenge of besting Google's mapping service, perhaps we should take a quick pause to see how far we've come.
The show demonstrates how road maps were made at the time. It captures the entire process, from field surveillance for route updates to photographing a fresh map using the largest camera you've ever seen to create a negative for press production. Of course, Chevrolets are strategically scattered throughout.