rodgers anchor. arms, de, df formed in 1 piece, , pivoted @ crown d on bolt passing through forked shank ab. points or pees e, f, palms g blunt. until beginning of 19th century anchors of imperfect manufacture, means of effecting , efficient welding being absent , iron poor, whilst arms, being straight, parted @ crown, when weighing holding-ground. clerk in plymouth yard, named pering, in part of century (1813) introduced curved arms; , after 1852 british admiralty anchor, under direction of board, supplied h.m. ships, followed lieutenant (afterwards captain) rodger s anchor. rodger s anchor marked great departure form of previous anchors. arms formed in 1 piece, , pivoted @ crown on bolt passing through forked shank. points or pees palms blunt. anchor had excellent reputation amongst nautical men of period, , committee on anchors, appointed british admiralty in 1852, placed second anchor of trotman. improved martin anchor later came self-canting , close-stowing martin anchor, which, p...