RAILROADING 101
'(<a href="http://www.j-archive.com/media/2011-11-25_DJ_14.jpg" target="_blank">Alex delivers the clue from atop a water tank.</a>) Because water is crucial to a steam locomotive, the train would have to stop about every 100 miles or so to take on water from a tank through this device, which has the same name as a bird'
a crane