it's used to lubricate the bearing of the large wheel..
mom's got a bottle of the stuff in the case for it..
say's 3 shillings and 6 pence on the price tag...
When they find out who it is then put him in charge of the world economy. He could start a system where you can buy and sell things you don't have against their future value, he could call it the stock market, oh dear that ones already been done.