Ned Carey wrote:

I pulled out Richard Hendrickson's article on the PSC cars. I have seen UTLX cars of this era that had what looks like a spring sticking out perpendicular from the draft gear. Richard mentions this in the article and refers to it as Cardwell draft gear.
I don't see this in some of the recent photos posted to the group but it shows clearly in some of the photos from my own collection. It occurs to me that perhaps it was only on one side.

As usual, RIchard is right. And those springs were on both sides. You can see this in several Cyc entries over the years.

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