Description: Robertson's windmill, general view (the Robertson's windmill is a post mill. The whole superstructure revolves on top of a single post of hewed timber. The superstructure has two levels. The upper flo
Description: Close view of Robertson's windmill (the Robertson's windmill is a post mill. The whole superstructure revolves on top of a single post of hewed timber. The superstructure has two levels. The upper flo
Description: General view of a pigeon coop on the site of Robertson's windmill (the Robertson's windmill is a post mill. The whole superstructure revolves on top of a single post of hewed timber. The superstructur