Scale:Unknown. Model of the fourteenth stage of anchor construction in a series of fifteen for a common pattern anchor. Made entirely from iron, it comprises of thirty one square section rods around a central square and tapering rod, held together in a square bunch by two square iron rings. For the other models in this series see SLR1994 and SLR2859-2872. "XXI"has been cut into one of the small square rods.