Feeling like being a bit of an anorak today! ha ha; Does anyone have any idea whether gearboxes can be dated by the serial number on the top? Should it have any relationship with the engine number? Was wondering whether anyone with a car with the 1930 ball change box might be able to give me the serial number on the top so i could compare it to mine ?? Just wondering out of interest! nick

I have a 1930 engine and gearbox which is brand new--- It was originally bought as a boat engine from Austin in ~1931 and was never used . The gearbox top (lever) was shortened and crudely bent so that it sticks up at right angles to the box. The engine number is M126569 and the gearbox is 126568. All numbers onthe engine match (Flywheel, Block, Head, Crank, and rods.