An original and early carburettor mixture control mechanism. It is in very good condition and full working order. Aluminium and brass construction and marked with arrows and RICH one way and WEAK the other. By turning the knob the brass piston moves in and out, all works nicely. Measures anout 3.5 inches at longest point and is 2 inches wide. Bu..
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..