Front axle, about 26" between spring centres, 1 1/2" spring width, 42" between king pin centres. Camber built into stubs. Whitworth threads on stubs. Unusual in that it appears 'U' bolts are inverted, would have a drilled plate on top of springs, spring platforms are spring width, no holes for 'U' bolts.
Original Molsheim Pitman Arm ( Barre d'accouplement des fusées ).It is 65 cm long from end of thread, to end of thread at the other end.The diametre of the rod is 20 mm.
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..