Wrawby Mill is holding an open day on Sunday June 26, from 11am to 5pm.
The sails will be turning, wind permitting, and there will also be a display of stationary engines, old tractors and vintage motorbikes.
BBQ food and refreshments will be served in the marquee and home made cakes will be on sale in the windmill roundhouse.
Admission to the mill is free.
Details: 01652 653699.