UPDATE: Apparently, I never published all the pages in this circa 1947-1949 booklet. Also, there’s another one of these booklets on eBay right now: View all the information on eBay
This was originally posted October 23, 2014: Eddie Devlin of the Willys Overland Engineering Art Department sketched a variety of drawings of the factory. Some were published in a book called “WHAT I SAW AT WILLYS OVERLAND”. I’m not sure if the booklet was sold or used as a promotional device.