Outlander: Expensive Material
That beautiful (subject to opinion) cloak that Claire wears is lined with tartan. Now tartan was so expensive back then that if someone did happen to have it, they would wear it facing out for all to see, not hidden away from sight.
Gone With The Wind: Electric Cables
Wow, is this a classic or what? Seeing as Clark Gable and Vivien Leigh starred in the (very) long movie, we can conclude that it was a piece of art. The movie was set during the Civil War, which means that there weren’t lamps that had electrical cords… I know, shocking.