Scale: 1:12. Plan showing two diagrams relating to the doubling of the bottom and topsides for 28-gun Fifth Rate Frigates repairing in Merchant Yards. The first is a plan through the stem post and the knee for the head showing the manner of ending the doubling at the stem, which can also be done for the stern. The second is a hull section illustratin how the timbers are to be fixed through the hull.