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Book, page 30 / 42 In addition to mention of the enlargements which the increased tonnage certainly entails, the following features of the description seem to call for remark. It is doubtful whether the vessels of this class had "open bulwarks to the main [spar] deck," or "a succession of three quarter-decks or poops." Many models and prints of ships of that period and class show but two. It is probable that if the jib was absent, as Captain Collins believes (though it was evidently in use upon some of the pinnaces and shallops of the time, and its utility therefore appreciated), there was a small squaresail on a "dandy" mast on the bowsprit, and very possibly the "sprit" or "water-sail" he describes. The length of the vessel as given by Captain Collins, as well as her beam, being based on a measurement of but 120 tons, are both doubtless less than they should be, the depth probably also varying slightly, though there would very likely be but few and slight departures otherwise from his proximate figures. The long- boat would be more likely to be lashed across the hatch amidships than stowed on the port side of the deck, unless in use for stowage purposes, as previously suggested. Captain Collins very interestingly notes in a letter to the author, concerning the measurements indicated by his model: "Here we meet with a difficulty, even if it is not insurmountable. This is found in the discrepancy which exists between the dimensions--length, breadth, and depth--requisite to produce a certain tonnage, as given by Admiral Paris and the British Admiralty. Whether this is due to a difference in estimating tonnage between France (or other countries) and Great Britain, I am unable to say, but it is a somewhat remarkable fact that the National Museum model, which was made for a vessel of 120 tons, as given by Admiral Paris who was a Frenchman, has almost exactly the proportions of length, depth, and breadth that an English ship of 180 tons would have, if we can accept as correct the lists of measurements from the Admiralty records published by Charnock . . . . In the third volume of Charnock's 'History of Marine Architecture,' p. 274., I find that a supply transport of 175 tons, built in 1759, and evidently a merchant ship originally, or at least a vessel of that class, was 79.4 feet long (tonnage measure), 22.6 feet beam, and 11.61 feet deep." The correspondence is noticeable and of much interest, but as the writer comments, all depends upon whether or not "the measurement of the middle of the eighteenth century materially differed in Great Britain from what it was in the early part of the previous century."
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