Preserved post mill in open-air museum at Stockholm, Sweden, summer 1974
Pair of preserved open-trestle post mills with sails
Preserved post mill at unidentified location in Sweden, summer 1974
Preserved post/hollow-post mill with sails
Cross section drawing of a Swedish Hollow Post Mill
Preserved hollow-post mill on top of barn-like structure in open-air museum
Sunset scene
Internal view of small post mill
Another forlorn small post mill
Small post mill with 4 sails and tailpole
Side view of another forlorn post mill: Sweden