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.
Original Molsheim Bugatti Schraubstock Nr. 52 (Matching Numbers!)
**Historisches Meisterwerk der Automobilgeschichte: Originaler Ettore Bugatti Werkstatt-Schraubstock („Bugatti Vise“) aus den 1920er Jahren – Matching..