Original Maudslay valve clearance tool. Has the inlet valve clearance at one end, and exhaust valve clearance at the other. It is engraved with 'Maudslay Motor Co. Coventry'.The tool is made from a 12" Chesterman folding ruler.Can send more photos on request, and I accept PayPal.
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..