May 01,  · Steam locomotive whistles on display at a San Luis Obispo, Calif., railroad museum. John Roskoski Before radio communication came into wide use in the s, a locomotive's whistle was an important tool in conveying information to other employees, both on and off the train, and many signals were on the books.

The Dayton Train Show is a 2 day event being held from 2nd November to the 3ed November at Montgomery County Fairgrounds in Dayton, United States Of America. This event showcases products like HO Scale, N Scale, G Gauge, Z Scale, Lionel, hobby tools, American Flyer, train whistles, die cast vehicles, books and photos etc. in the Railway.