The American Journal of Science and ArtsS. Converse, 1831 |
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acid amianthus ammonia AMOS EATON apparatus appears atmosphere bark barytes becomes boiler bread carbonate carbonic acid cause chemical cinchonine coast color common contains copper crystals diameter direction distance effect electricity engine exhibited experiments exposed facts feet fire firemen flame fluid gale glass graywacke gulf stream heat hundred hurricane hydrogen inches increase iodic acid iodine iron Journal lake less light limestone magnet mass means mercury miles mineral nature nearly nitric acid Noon north-east north-west observed passing plate portion present prism produced Prof proportion quantity quinine rays remarks river rocks safety salt side solution south-east species specific gravity specimen steam boats storm strontian substance sufficient sulphate sulphuric sulphuric acid supposed surface temperature tion tube valve vapor veins vessel violent volume weight whirlwind whole wind wire gauze
Popular passages
Page 48 - York, as their medical department, under the name of the College of Physicians and Surgeons In the City of New York.
Page 220 - States was languishing, and its inhabitants emigrating for want of some object to engage their attention, and employ their industry, when the invention of this machine at once opened views to them which set the whole country in active motion. From childhood to age it has presented to us a lucrative employment.
Page 166 - Pharmacopoeia of the United States of America. By authority of the National Medical Convention, held at Washington, AD, 1850.
Page 102 - But every one's eyes, that will take the pains to observe, will make them as sure of it. Only those, that would make experiment, must take notice that it is not every sort of spider that is a flying spider, for those spiders that keep in houses are a quite different sort, as also those that keep in the ground, and those that keep in swamps, in- hollow trees, and rotten logs ; but those spiders, that keep on branches of trees and shrubs, are the flying spiders.
Page 101 - If there be not web more than enough, just to counterbalance the gravity of the spider, the spider together with the web will hang in equilibrio, neither ascending nor descending, otherwise than as the air moves. But if there is so much web, that its...
Page 361 - To give a stronger impulse and a more systematic direction to scientific inquiry, — to promote the intercourse of those who cultivate Science in different parts of the British Empire, with one another, and with foreign philosophers, — to obtain a more general' attention to the objects of Science, and a removal of any disadvantages of a public kind which impede its progress.
Page 200 - Mrs. Greene, therefore, invited to her house gentlemen from different parts of the State, and on the first day after they had assembled she conducted them to a temporary building, which had been erected for the machine, and they saw with astonishment and delight...
Page 81 - ... of phenomena not before understood, and to enrich the arts connected with those sciences, by the invention of ingenious and valuable instruments. In Chemistry, he was distinguished by the extreme nicety and delicacy of his observations ; by the quickness and precision with which he marked resemblances and discriminated differences ; the sagacity with which he devised experiments and anticipated their results ; and the skill with which he executed the analysis of fragments of new substances, often...
Page 307 - Mechanics, which has issued from the American press, that we have seen ; one, too, that is alike creditable to the writer, and to the state of science in this country."— American Quarterly Rev.
Page 233 - ... from no State had he received the amount of half a cent per pound on the cotton cleaned with his machines in one year. Estimating the value of the labor of one man at twenty cents per day, the whole amount which had been received by him for his invention was not equal to the value of the labor saved in one hour by his machines then in use in the United States.