Wongm's Rail Gallery » Locomotive bits and pieces

The black crud is called "crater grease" - a lubricant that stays stuck to the gears, it will never come out of your clothes!

In album: Locomotive bits and pieces

The black crud is called

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Taken with a Canon EOS 50D
Date: Monday 25 April 2011 09:23 AM
Exposure Time: 1/30 sec
Aperture Value: f/4
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