Jayne Lancer profile image 90

When were sirens first used by emergency service vehicles in the United Kingdom?


When did emergency service vehicles swap bells etc. for electric sirens?

 

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mehul1427 says

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2 years ago
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    Jayne Lancer 2 years ago

    Thank you very much, Mehul1427, but I've already looked there. I need a year, which is not given. I'm thinking of fire, ambulance and police and the two-tone horn. Would it have been used during the late 40s and 50s?