Trains were equipped with horns or bells or whistles to warn vehicles and pedestrians that they were coming. John Holliday was the one who suggested adding a device like this.
On average, a train horn is 110 db on the engine. At about 500 feet away from the train, a train horn is 90 db.
I invented the car horn
It sounds like an train horn
It wasn't invented but evolved from early horns. The earliest horn was a hunting horn. These date from the 16th century .
Train was invented first.
the bullet train was invented in 1994
The French Horn was invented in 1753, it was invented because it was used for commutation and for the beautiful sound it made.
In 1749 the first wagon train was invented.
A change in the pitch of the horn, rising as the train approaches and falling as it recedes.
The first train was invented in 1803 by Samuel Homsfray.
Train whistle
1903