Nigel Havers presides as five sellers aim to get the best price for their items, including a trunk, a magic lantern, a ride-on toy aeroplane, a corkscrew and some nursery posters. Show more Nigel ...

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It’s capable of putting out around 17 volts when cranked at a reasonable speed. Hooked up to the toy plane, his hand-crank generator was able to fully charge the plane in just a few turns.