2026-09-26T08:26:26+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object11298160303ANTI TANK CYLINDERYBlocks of solid concrete, in the form of cylinders usually 2 feet across x 2 feet 6 inches or 3 feet high. Cylinders were mainly used in road blocks intended to impede enemy movement in the event of invasion.1P