Grain Door Construction


I am trying to determine the size and construction of wood grain
doors. Dan Holbrook wrote an article: Introduction to Bulk Grain Door
Handling. In the article he references a (1938?) reprint of "AAR
Standard Grain Door". My copy did not include this reprint and a
google and archive search did not provide the information. Can someone
point me to a location where I might find this information? Thanks,
Lynn Finch

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