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Few more old books + Dunham Engineer’s Book
Got some even older ones this time. Dunham magazine volume 1 from 1913.
A company called Haxtun from Kewanee, IL. Catalog/book from 1887.
Some other Kewanee stuff from the early 1900s,
And my favorite, a C.A. Dunham Engineers book with a bunch of drawings.
Never stop learning.