Invention and Engineering
Canadian National 7470 is a preserved O-18-a class 0-6-0 "Switcher" type steam locomotive, built in 1921 by the Grand Trunk Railway (GT), it is preserved and operated by the Conway Scenic Railroad (CSRX) in North Conway, New Hampshire.
LNER Gresley Classes A1 and A3.
2011 in science.
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