2026-09-27T15:33:43+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3819139551CROWN TREEYThe main vertical beam standing at the centre of a post mill carrying the bearing upon which the body of the mill rotates.546P