Letters: Needs corn sheller references

I have two hand-crank freestanding McCormick-Deering corn shellers. One is encased in wood; the other is metal. I don’t know the model names/numbers. I am looking for a booklet, brochures or any information anyone might have on these shellers. Thank you.
Robert E. Newman Sr.,
2632 St. Hwy. 30 W, Decatur, TN 37322

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