Remarks and Correspondence on the Use of Cotton Canvass as Preferable to Hemp,for the Sails of Ships of War: Or Merchant Vessels, Supported by the Testimony of Naval Officers, Ships Owners,captains,&c

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Sands & Neilson, 1830 - 27 pàgines
 

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Pàgina 22 - I am sorry that it is not in my power to give you any information respecting it, as I have never seen any of it used.
Pàgina 9 - Levant, are clothed entirely with that material, is amply sufficient to prove that cotton is there used, not as a substitute, but in preference to hemp. Hemp is one of the staple productions of that country, and forms an important item in the list of her exports ; cotton is not, but is imported from other countries . I...
Pàgina 21 - ... sails) made of Cotton Duck, and go out in compa>ny with anot'her sloop of war or frigate with the canvass now in use in the Navy, and have a trial of sailing — after this has been, done, let the vessel with the Cotton Duck sails unbend them and put to the yards the canvass now in use, when the difference in point of sailing will be perceived.
Pàgina 10 - ... she has just returned, was of cotton canvass ; and that experiment was abundantly satisfactory to the officers on board, of its strength, durability, and usefulness. An officer of that ship, of skill, science, and the most scrupulous accuracy, has promised me a written statement of the facts referred to, as well, also, of some experiments in the merchant service ; these shall be furnished you as soon as received. These facts, together with the certificates subjoined, I hope will be considered...
Pàgina 10 - ... that the superior celerity of the Greek Ships, and what are usually called the Baltimore clippers, is attributed, in part, to their use of cotton canvass. It is said to hold wind better, and to make a difference of a mile distance in six. The main-topsail of the Boston, which I understand was mostly used and relied on during the long voyage from which she has just returned, was of cotton canvass ; and that experiment was abundantly satisfactory to the officers on board, of its strength, durability,...
Pàgina 10 - I am informed that the superior celerity of the Greek Ships, and what are usually called the Baltimore clippers, is attributed, in part, to their use of cotton canvass. It is said to hold wind better, and to make a difference of a mile distance in six. The main-topsail of the Boston, which I understand was mostly used and relied on during the long voyage from which she has just returned, was of cotton canvass ; and that experiment was abundantly satisfactory to the officers on board, of its strength,...
Pàgina 9 - Jlvg. 12, 1829. I take the liberty, partly based on some personal intimacy, but chiefly as one of the representatives of a neglected portion of this confederacy, of addressing you on a subject that I consider of public interest. I respectfully request that you will cause an experiment to be made in the naval service of the United States', for the purpose of ascertaining the fitness and utility of cotton as a principal element of sails, rigging, &cc.
Pàgina 22 - I maintain, it is cheaper and better in every other respect besides the price of the cloths — Best Cotton Duck — No. 1, 40 cts. per yard, 22 inches wide. 2, 38 « " " 3, 36 « " « 4, 34 « " « 5, 33 " " " 6, 32 « « * 7, 31 « « " 8, 29 « « « 9, 28 « « « 10, 27 " « « I think No. 1, rather too heavy for the Navy, as it weighs nearly a pound to the yard of 22 inches wide. I, however, make use of this number for the schooner Yellott's three lower sails.
Pàgina 12 - ... of a topsail of that material, during the late cruise of the sloop of war Boston, are sufficiently satisfactory to authorize a more extended experiment. The fitness of this great staple of our country for the manufacture cf canvass, suitable for naval pur poses, shall, as it deserves, be fully and fairly tested.
Pàgina 21 - Navy — then let as many 24 pounders be fired at those sails at such distance as the wad would strike, and see which sail caught fire first — the only way to meet objections is to have the experiment made to test them. As to the strength of yarns by weight, I am not acquainted with that manner of trying ; but if a principal sail will make two voyages round Cape Horn, or the Cape of Good Hope, I want no further wear out of it, as it has then more than...

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