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it were, an integral part of it. It being important that these parts should, in the completed boat, be firmly attached to the skin, their surface is, at this part of the process, covered with a suitable adhesive preparation. "The model is now ready to be covered with paper. Two kinds are used: that made from the best Manila, and that prepared from pure unbleached linen stock; the sheets being the full length of the model, no matter what that may be. If Manila paper is used, the first sheet is dampened, laid smoothly on the model, and securely fastened in place by tacking it to certain rough strips attached to its upper face. Other sheets are now superposed on this and on each other, and suitably cemented together; the number depending upon the size of the boat and the stiffness required. If linen paper is used, but one sheet is employed, of such weight and dimensions that, when dry, it will give just the thickness of skin necessary. Should the surface of the model be concave in parts, as in the run of boats with square sterns for instance, the paper is made to conform to these surfaces by suitable convex moulds, which also hold the paper in place until, by drying, it has taken and will retain the desired form. The model, with its enveloping coat of paper, is now removed to the dry-room. As the paper skin dries, all wrinkles disappear, and it gradually assumes the desired shape. Finally, when all moisture has been evaporated, it is taken from the mould an exact fac-simile of the model desired, exceedingly stiff, perfectly symmetrical, and seamless. "The paper is now subjected to the water-proof process, and the skin, with its keelson, inwales, and deadwoods attached, is then placed in the carpenter's hands, where the frame is completed in the usual manner, as described for wooden boats. The paper decks being put on, it is then ready for the brass, iron, and varnish work. As the skins of these boats (racing-shells) vary from one-sixteenth of an inch in the singles, to one-twelfth of an inch in the six-oared outriggers, the wooden frame becomes necessary to support and keep them in shape. In applying this invention to gigs, dingys, canoes, and skiffs, a somewhat different method is adopted. Since these boats are subjected to much hard service, and must be so constructed as
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