What would be delivered or shipped in a Baker's Chocolate Tank Car?

Model Railroader Prototype information for the modeler
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Book about Baker’s Chocolate Compay

https://www.amazon.com/Baker-Chocolate-Company-Regional-Histories/dp/1596293535

From Amazon

https://www.amazon.com/Railroad-Freight-Slogans-Heralds-Archive/dp/1583882766/ref=sr_1_1?keywords=Railroad+Freight+Car+Slogans+%26+Heralds&qid=1641616776&sr=8-1

Facebook Group

https://www.facebook.com/groups/731349993660555/about

Factory converted to apartments

https://livewellbakerschocolate.com/

https://www.architecturalteam.com/projects/baker-chocolate-factory-complex/