https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Winding_wheel_from_Yorkshire_Main_Colliery_1911_to_1985_-_geograph.org.uk_-_637011.jpg/640px-Winding_wheel_from_Yorkshire_Main_Colliery_1911_to_1985_-_geograph.org.uk_-_637011.jpg