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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. Vehicle horn - Wikipedia

   en.wikipedia.org/wiki/Vehicle_horn

   Again, these horns can be either single, or arranged in pairs; typical frequencies for a pair are 420–440 Hz and 340–370 Hz (approximately G ♯ 4 –A 4 and F 4 –F ♯ 4) for this design. Diagram showing how a car horn works. A horn grille is a part of some designs of car or other motor vehicle that has an electric horn, such as a motor ...

4. 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.

5. Train noise - Wikipedia

   en.wikipedia.org/wiki/Train_noise

   Rail squeal is a sound caused by a train's wheels slipping under specific conditions, usually around sharp curves. [4] Air displacement of a train in a tunnel can create noise from turbulence. Trains also use horns, whistles, bells, and other noise-making devices for both communications and warnings.

6. 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 ...

7. Boilermaker Special - Wikipedia

   en.wikipedia.org/wiki/Boilermaker_Special

   The brass bell from Boilermaker Special I and the brass whistle from Boilermaker Special III were installed on the boiler. A five-chime freight train horn from a Norfolk Southern locomotive was installed on the body. The coal tender was large enough to seat up to 14 passengers.