Wig Wags and more! Wigwag is the nickname given to a type of railroad grade crossing signal once common in North America, named for the pendulum-like motion it used to signal the approach of a train
Illinois Railway Museum
Some pictures from our visit to the North Carlolina Transportation Museum in September 2015.
Henry Flagler's private railcar, No. 91, was built in 1886 and carried
Henry Flagler south to Key West following the completion of his Over-Sea
Railroad in 1912. Today thousands of visitors tour the historic railcar
at the Flagler Museum in Palm Beach, Florida.
Another longer video that includes Whitehall, Flagler's mansion.
H/T and many thanks to Dan for the link to the first video.