Police (car) siren
The tone sequence siren (German: Martinshorn) from around the year 2010 is a component from an unmarked police car of the city…

This is a train built in 1912 and a part of the Saltsjöbanan railroad which goes out towards the Stockholm archipelago. The train was in service until the 1950s and was renovated by Stockholm-Saltsjöns Museiförening, which is a nonprofit organization who maintains and uses to trains. When they renovated the train in the 2010s they added a coffeeshop to the forward part of the train. The recorded sound is from the whole trafficked route, from start to finish.
Photo and recording by Erik Pålsson.
The tone sequence siren (German: Martinshorn) from around the year 2010 is a component from an unmarked police car of the city…
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