At the Cass Scenic Railroad, the locomotives have small copper tube that took water from the tender and dripped a drop every minute or so on top of each wheel.
When I asked what is with the water, I was told that a cool steel wheel on a hot steel rail has more traction that a hot steel wheel on a hot steel rail.
Sounds rather far fetched and I do not really understand the logic of such a practice.
I know some folks here <no names> will beat me up for posting such story, so swing as hard as you can for it is true.
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