Archives of Useful Knowledge, المجلد 1David Hogan, 1811 |
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الصفحة 128
... canvas , although of equal importance to the safety of the ship , and the lives of the sailors . The very rules and regulations issued by the navy board for the manufacture of government canvas are defective ; and it is impossible ...
... canvas , although of equal importance to the safety of the ship , and the lives of the sailors . The very rules and regulations issued by the navy board for the manufacture of government canvas are defective ; and it is impossible ...
الصفحة 129
... canvas is made of a warp or chain of flax yarn , weighing about 20 lbs . laid double , the woof or shute is of hemp yarn drove on single , weighing about 24 lbs . Both warp and woof yarn are once boiled in an alkaline ley , and suffer a ...
... canvas is made of a warp or chain of flax yarn , weighing about 20 lbs . laid double , the woof or shute is of hemp yarn drove on single , weighing about 24 lbs . Both warp and woof yarn are once boiled in an alkaline ley , and suffer a ...
الصفحة 130
... canvas , which Captain Johnson Hope had sent for his in- spection . He has minutely examined and analyzed them , and subjoins his report as to their fabric and degrees of cleansing , which the yarn , of which they had been manufactured ...
... canvas , which Captain Johnson Hope had sent for his in- spection . He has minutely examined and analyzed them , and subjoins his report as to their fabric and degrees of cleansing , which the yarn , of which they had been manufactured ...
الصفحة 131
... canvas , it will to a certainty mildew in damp hot weather . But say that the canvas had not mildewed ( the weather being supposed cold and rainy ) ; the rain will wash out the two soluble extractive matters , whereby the canvas becomes ...
... canvas , it will to a certainty mildew in damp hot weather . But say that the canvas had not mildewed ( the weather being supposed cold and rainy ) ; the rain will wash out the two soluble extractive matters , whereby the canvas becomes ...
الصفحة 132
... canvas must be made , accord- ing to the regulations of the Navy Boards ; being a system of manufacture in direct opposition to that of Dutch canvas , which is wove with single thread and little or no dressing ; no more paste at any ...
... canvas must be made , accord- ing to the regulations of the Navy Boards ; being a system of manufacture in direct opposition to that of Dutch canvas , which is wove with single thread and little or no dressing ; no more paste at any ...
المحتوى
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
Agricultural Alderney alkali American animals appears attention bleaching blood blue boiling bred breed Bridport carbonic carbonic acid cattle cloth Cochineal colouring matter commerce common cotton cover cross cultivation degree disease distillation dollars effect England essential oil ewes experiments farmer fatten fermentation flavour flax fleece flock foreign gallons grain grass Hanseatic League heat hemp imported improvement inches indigo insects iron Isinglass kind lamb lime linen liquor manufactures method milk mixed muriatic acid necessary Nopal Nopalry observed obtained operation Opuntia Philadelphia plant potash pounds present produce profit proportion pyroligneous acid quantity salt shearing soap Society sold Spain Spanish species spirit substance sufficient sulphuric sulphuric acid supply taste Teeswater tion trade United vapour washed weather weight wine wood wool woolled
مقاطع مشهورة
الصفحة ii - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
الصفحة ii - IDE, of the said District, hath deposited in this office, the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " Inductive Grammar, designed for beginners. By an Instructer." In conformity to the act of the Congress of the United States...
الصفحة 379 - It is to be regretted that so little attention has been paid to the chemical nature of the nodules.
الصفحة 413 - ... to be published in one or more newspapers, printed in the United States, for the space of four weeks.
الصفحة 411 - He shall, furthermore, accompany the whole with a drawing, or drawings, and written references, where the nature of the case admits of drawings, or with specimens of ingredients, and of the composition of matter, sufficient in quantity for the purpose of experiment, where the invention or discovery is of a composition of matter...
الصفحة 409 - State, when he presents his petition ; and' the money thus paid shall be in full for the sundry services to be performed in the office of the Secretary of State...
الصفحة 375 - Mr. Bakewell had, certainly, the merit of destroying the absurd prejudice 'which formerly prevailed against breeding from animals between whom there was any degree of relationship. Had this opinion been universally acted upon, no one could have been said to be possessed of a particular breed, good or bad; for the produce of one year would have been dissimilar to that of another, and we should have availed ourselves but little of an animal of superior merit, that we might have had the good fortune...
الصفحة 409 - States may be issued, granting unto your petitioner, his heirs, administrators, or assigns, the full and exclusive right of making, constructing, using, and vending to others to be used, his said improvement, [art, invention, machine, manufacture, or composition of matter, &c.] agreeably to the acts of Congress in such case made and provided : your petitioner having paid thirty dollars into the treasury of the United States, and complied with the other provisions of the said acts.
الصفحة 317 - The inflammation at the same time seizes on the membranes of the nostrils, and those lining the bones of the nose ; particularly the nasal portion of the ethmoid bone. These membranes are often inflamed to such a degree, as to occasion extravasation of blood, which I have observed coagulated on their surface. The breathing is short and quick, and the breath is often fetid. The teeth are covered with dark-looking mucus.
الصفحة 337 - More than thirty years ago this subject presented itself to my mind, on seeing some water-shoots, which had been pitched and painted in the common way, taken down in a state of complete rottenness. I had read that charcoal, buried in the moist earth, had come down to us perfectly sound from the times of the Romans ; and that posts long withstood the same moisture, if the part intended to be put into the ground was charred all round to a certain depth. Impressed with these facts, I determined to try...