For sale, a petrol pressure gauge, chain drive, made by Prelac, SA L' Accessoire de précision, Levallois, France. It is graduated from 0 to 36 litres and is designed for a variety of French cars from the 1920s to 1940s. It is in its original condition, used and functional. Outer diameter : 55 mm; mounting diameter : 52 mm. It is backlit and come..
Broken down. Not working. Could bake a working engine from the 2. Found in grandfathers / uncles garage along with large amount of other de Dion parts..