A six-volt 'Klaxon' manufactured horn.
Internally it appears to be in almost unused condition. It has been resprayed in gloss black.
As it is 6 volt it has not been tested.
Its age is unknown, but is probably pre-1939.
An original Bosch U111a6 horn in very good condition and full working order, 6 volt. It is the smaller version but also has the shorter curved trumpet, quite a rare horn. Ideally suited to Amilcar, 6c Alfa or Bugatti, If fitting to a 12 volt system it is easy to fit a resistor in circuit. All complete and fully marked. Buyer pays shipping c..