Talk:VR Class Tk3

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Third piston?

Latest comment: 7 years ago1 comment1 person in discussion

What's with the extra piston in the valve chest? Is this some sort of expansion valve? I thought it was a Vauclain compound when I first saw it. Andy Dingley (talk) 20:46, 13 November 2018 (UTC)Reply

This page was redesigned at the edge.

Third piston?