Steam Locomotive, Page 7
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Here's a couple more photos showing some details. In this photo, the cylinder covers are off. Since the entire engine is upside down, you can see the airways connecting the main cylinders to the valve bores. You also get a good view of the rear valve cover, also known as the valve crosshead guide.
Image 21: Cylinder Covers
Image 22: Wheels, Axles, Bearings Ready to Roll
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