Type | Manufacturer |
---|---|
Site web | https://www.wch.com/ |
Numéro de téléphone | 773.254.9600 |
Adresse | 2700 West 36th Place, Chicago Illinois 60632 |
Western-Cullen-Hayes, Inc. was originally organized in 1855 as the American Signal Company. The product line was primarily devoted to the areas of signals and communications for the railroads. In 1889, it successfully developed and marketed the first automatic highway crossing bell warning device. This device was activated by the locomotive passing over, and closing a relay, which in turn activated the bell mechanism.