Interlocker Car

Gary Roe

I realize this question is coming from an era way before most of us model; but I ran across something I had never heard of before, and thought I'd run it past you all.

In looking at a listing of freight car equipment for the Wabash Railroad from 1914, back in the back under Company Service Cars, there is a listing for 35 "Interlocker Cars". There are no dimensions or any other data associated with the listing. What is an Interlocker Car, and/or what it is used for?

gary roe
quincy, illinois

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