Bosch HO 37 B-02 SH/HE1 6B2 Police Emergency tone relay

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Rare Bosch relay for special police emergency sound in 6V and working.
Vintage Bosch HO 37 B-02 SH/HE1 6B2 police emergency tone relay for Bosch fanfare horn system. The SH HE1 tone relay is for 6 Volt, see 6B2 on the type plate. I put 6V on the relay and the motor inside is working. In Germany this rare relay is called “Tatü Ta Ta Tonfolgegerät”, because it makes the special police emergency sound. A vintage accessory for VW Split T1 Fire Bus, VW T1 Ambulance Bus and Police VW Beetle.
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Country of OriginGermany