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- ...o record and archive facts and pictures about each and every known traffic signal and accessory, including their respective companies, dates produced, and re * [[American Traffic Signal Company|American Traffic Signal Co.]]13 KB (1,611 words) - 15:57, 19 February 2024
- ...y-priced materials. Eventually, as competition in this field and state and federal requirements increased, Darley abandoned the various merchandise lines and ...meant that a single level beacon could not be stacked into a triple level signal nor vice versa.9 KB (1,446 words) - 00:27, 13 July 2016
- ...ind in the world. It dates back to October 1896, when a group of municipal signal men from several east coast cities met in Brooklyn, New York and organized ...ession, up-to-date on proper procedures of construction and maintenance of signal systems and informed on new products and equipment developments.5 KB (845 words) - 00:28, 13 July 2016