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2. Train horn - Wikipedia

   en.wikipedia.org/wiki/Train_horn

   The Nathan model M5 pictured is a 5 chime horn. A train horn is an air horn used as an audible warning device on diesel and electric-powered trains. Its primary purpose is to alert persons and animals to an oncoming train, especially when approaching a level crossing. They are often extremely loud, allowing them to be heard from great distances.

3. Nathan Manufacturing - Wikipedia

   en.wikipedia.org/wiki/Nathan_Manufacturing

   Nathan Manufacturing, Inc. is a division of Micro Precision Group which manufactures Airchime, Ltd. train horns mainly for North America. It is one of two major train horn manufacturers in the United States, with Leslie Controls, Inc. being the other. A K5LA (K-5LA) Horn on top of a Coaster San Diego Cabcar #2310.

4. Boilermaker Special - Wikipedia

   en.wikipedia.org/wiki/Boilermaker_Special

   It featured a standard automotive 12-volt marker bulb reflected by a large parabolic mirror. It was so bright it could only be used during parades. A locomotive air horn was installed on the top left side of the cab. When the horn was sounded, the Boilermaker Special III could be heard from miles away.

5. Vehicle horn - Wikipedia

   en.wikipedia.org/wiki/Vehicle_horn

   In the United States, train horns are required to have a minimum sound level of 96 dB and a maximum sound level of 110 dB at 100 ft (30 m) in front of the train. To distinguish their sound from truck and bus air horns, train horns in the U.S. consist of groups of two to five horns (called "chimes") which have different notes, sounded together ...

6. Leslie Controls - Wikipedia

   en.wikipedia.org/wiki/Leslie_Controls

   Leslie-Tyfon horns became the standard on most American railroads. [5] Leslie's horns were the most popular locomotive horns, and the standard for GM Electro-Motive Division models. Later, Leslie introduced the Type S Supertyfon, with three- and five-chime versions. The three-chime S3L was B, D#, A. Leslie sold more horns than competitor Nathan ...

7. Will quiet zones silence Brightline train horns here? Not for ...

   www.aol.com/quiet-zones-silence-brightline-train...

   Quiet zones along the Brightline corridor through the Treasure Coast could silence the train horns local residents have been hearing from morning until night since the higher-speed railroad began ...