You probably have an inkling that modern-day mail is sorted by machines. But back in 1903, it had to be done by guys named Ralph or Wesley. They had a lot of letters to sort, and they had to do it quickly—so this is the “system” the U.S. Post Office Department came up with. (You don’t have to watch the whole clip, ten seconds will give you the idea.)
Sometimes Ralph and Wes were on shift at the same time, while a third guy named Clarence kept dumping letters onto their desk
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