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(31,039 posts)keithbvadu2
(36,887 posts)TomWilm
(1,832 posts)A little-known and fairly human fact of the three-note horns is that they can still be used to talk to post offices (and each other) from a distance. By altering the combination of the tones, a driver can announce departure of post, arrival of post, arrival of special post, bus swerving out and so on. This musical language started in the mid-19th century, when the coach drivers could also blow their horns a certain number of times on approaching the station to indicate the quantity of horses needing to be fed, giving the station master time to prepare the fodder.
https://geographical.co.uk/places/mountains/item/2176-connecting-the-alps
AllaN01Bear
(18,359 posts)The horn signals that the postal bus is approaching a hairpin bend and that other drivers must hold back - they have priority. They play an important role in the Swiss logistic system, transporting both passengers and mail, and integrate with rail timetables in the valley.
it's the Rossini's Whilelm Tell's Ouverture beginning.
abqtommy
(14,118 posts)that at any time in human history we have used the technology available to communicate.
It all began when the earth formed 4.5 billion years ago... fast forward to 2.8 million years
ago when humans first appeared. From the outset humans wanted to get the news and
get it fast. So from The Jungle Drum to the Running Human Messenger to the use of
the horse and various other methods here we are today. But when the electrical power
goes out and the battery needs to be recharged we're forced to rely on older tech.
https://en.wikipedia.org/wiki/Drums_in_communication
https://en.wikipedia.org/wiki/Optical_communication
There's lots more information available for the Serious Student, whoever and wherever
you are.
AllaN01Bear
(18,359 posts)lately ive been on a kick of watching youtube vids about the old airmail route arrows that are on the ground still and still can be seen from 1000k thousand feet . these had a beacon and a light . i remarked on 1 video , that if we lost our gps , loran and other nav aids wed have to go back to those things. have a grand day.