2026-09-28T03:25:12+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3280138117PRINCIPAL RAFTERYA structural member that supports a purlin and is also a common rafter.546P