Scale: Unknown. A model depicting the method of manufacturing a common anchor, 1829, and made entirely in iron and painted black. The model shows a flat rectangular box which tapers at one end and is welded and formed into an irregular tapering rod, square in section, which finishes in a point. The box comprises of a flat lid held on by a single rectangular shaped polished iron hoop, inside of which is loose scraps of iron. The number "5" has been stamped on the iron hoop and the number "1" on the square tapering rod. Third in a series of seven models (SLR1931 and SLR2874-SLR2879) showing how an anchor is formed.