Re: PM Box loading with ground corn cobs.


Dave Parker
 

The photo caption is a bit ambiguous, and maybe confusing.  It looks like the feedstock in the truck is corncobs; the whole ears were presumably shelled elsewhere and the grain used for feed (or seed).  Here, the "waste" cobs are being ground down to a smaller size with a large hammer-mill.

A very quick Google search does support their use for plastics during WWII, although the details are murky, presumably due to military security issues.

https://www.newspapers.com/clip/3437753/corn_cobs_for_war_via_rail/

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Dave Parker
Swall Meadows, CA

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