An essay on the preservation of shipwrecked marinersNote 5 — Hints for improving naval architecture.—For rendering boats incapable of upsetting or sinking.—The Life-Boat at Shields—its singular utility.Reading editionRepertory, Vol. VI.◇Copy noteReturn to Hints for improving naval architecture.—For rendering boats incapable of upsetting or sinking.—The Life-Boat at Shields—its singular utility.