Dave Tadlock points a device at the firebox that is used to instantly determine temperature. Inside the locomotive's cab, it can easily be 140 or 150 degrees Fahrenheit. The outer metal wall of the firebox is at 319 degrees in this picture.
July 25, 2012 4:00 AM PDT
Photo by: Daniel Terdiman/CNET
| Caption by: Daniel Terdiman
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