A 'Ducellier' 12 volt regulator. Age unknown, but believed either immediately pre-war or, posiibly post-1945.
It was fitted to a 1920's Amilcar and was removed around 12 years ago. It was working when removed, but has not been used or tested since.
Annunci simili Ducellier Regolatore di tensione Una varietà di auto francesi in vendita