The American Journal of Science and Arts, Volumen6S. Converse, 1848 |
Dentro del libro
Resultados 1-5 de 35
Página 44
... object to preserve algæ in the least troublesome manner , for the purpose of transmitting them to Europe , it is merely necessary to spread the specimens , immediately on being brought fresh from the sea , without any previous washing ...
... object to preserve algæ in the least troublesome manner , for the purpose of transmitting them to Europe , it is merely necessary to spread the specimens , immediately on being brought fresh from the sea , without any previous washing ...
Página 93
... object is to shew the probability , that as the sense of pain is not so necessary or useful to brutes , they have it in a less degree . In the next class of animals to which I shall allude , that is , rabbits and hares , I will endeavor ...
... object is to shew the probability , that as the sense of pain is not so necessary or useful to brutes , they have it in a less degree . In the next class of animals to which I shall allude , that is , rabbits and hares , I will endeavor ...
Página 112
... object of the purchaser of these materials , gelatin was selected as the basis for the estimation of their comparative value ; and after several trials with various kinds of natural and manufactured gelatin , such as varieties of ...
... object of the purchaser of these materials , gelatin was selected as the basis for the estimation of their comparative value ; and after several trials with various kinds of natural and manufactured gelatin , such as varieties of ...
Página 124
... object between the two seas . Assuredly , the great obstacles presented by the locality to an under- taking of this nature , place such a plan out of the question - so gigantic a work as a canal for vessels , which would require so much ...
... object between the two seas . Assuredly , the great obstacles presented by the locality to an under- taking of this nature , place such a plan out of the question - so gigantic a work as a canal for vessels , which would require so much ...
Página 139
... objects , an eye - piece of large field and peculiar construction is connected with a slide , so that it can be replaced by the usual one in an instant . It magnifies 208 times , and employs nearly four feet of the speculum , the same ...
... objects , an eye - piece of large field and peculiar construction is connected with a slide , so that it can be replaced by the usual one in an instant . It magnifies 208 times , and employs nearly four feet of the speculum , the same ...
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Términos y frases comunes
absorption according Algæ allantoin alumina analysis animals appears Archipelago atmosphere atoms bodies carbonic acid cent chlorite color compounds contains copper Copper Harbor cordierite corresponding cretaceous crystals decomposition deposits ethereo-ponderable exist experiments fact feet formula fossils geological gold Green gutta percha heat hornblende hydrate hydrochloric acid hydrogen inches Key West lake latter lime limestone liquid magnesia magnetic mass means memoir mercury metal meteoric mica miles mineral mountains nearly nitric acid observed obtained olivine oxyd oxygen oxygen ratio piculs plant plates polarization portion potash potassa precipitate present pressure produced Prof protoxyd of iron quantity remarkable river rocks salt sandstone SECOND SERIES serpentine silicate soda solution species specimens steam stone substance sulphate sulphuric acid surface tellurium temperature tion tube uric acid vapor vegetation vivianite volume waves wind Yellow
Pasajes populares
Página 288 - LITERATURE AND THE FINE ARTS. 9. Modern literature. 10. The fine arts, and their application to the useful arts. 11. Bibliography. 12. Obituary notices of distinguished individuals.
Página 94 - And the poor beetle that we tread upon, In corporal sufferance finds a pang as great As when a giant dies.
Página 288 - Ethnological researches, particularly with reference to the different races of men in North America; also, explorations and accurate surveys of the mounds and other remains of the ancient people of our country.
Página 286 - To INCREASE KNOWLEDGE. It is proposed — 1. To stimulate men of talent to make original researches, by offering suitable rewards for memoirs containing new truths ; and, 2. To appropriate annually a portion of the income for particular researches, under the direction of suitable persons.
Página 288 - DETAILS OF THE PLAN FOR DIFFUSING KNOWLEDGE. I. By the publication of a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge not strictly professional. 1. These reports will diffuse a kind of knowledge generally interesting, but which, at present, is inaccessible to the public. Some of the reports may be published annually, others at longer intervals, as the income of the institution, or the changes in the branches...
Página 288 - ... are to be prepared by collaborators eminent in the different branches of knowledge. 3. Each collaborator to be furnished with the journals and publications, domestic and foreign, necessary to the compilation of his report; to be paid a certain sum for his labors, and to be named on the title-page of the report. 4. The reports to be published in separate parts, so that persons interested in a particular branch can procure the parts relating to it without purchasing the whole. 5. These reports...
Página 288 - The following are some of the subjects which may be embraced in the reports. I. PHYSICAL CLASS. 1. Physics, including astronomy, natural philosophy, chemistry, and meteorology. 2. Natural history, including botany, zoology, geology, &c. 3. Agriculture. 4. Application of science to arts. II. MORAL AND POLITICAL CLASS. 5. Ethnology, including particular history, comparative philology, antiquities, &c.
Página 329 - If any point be taken in the diameter of a circle which is not the centre, of all the straight lines which can be drawn from it to the circumference, the greatest is that in which the centre is, and the other part of that diameter is the least...
Página 289 - With reference to the collection of books, other than those mentioned above, catalogues of all the different libraries in the United States should be procured, in order that the valuable books first purchased may be such as are not to be found in the United States.
Página 379 - The valley is generally about twenty miles wide, and bordered on the east and west by mountain chains, continuations of the Rocky Mountains, which have received here different names, as Sierra Blanca, de los Organos, Oscura, on the eastern side, and Sierra do los Grullas, de Acha, de loi Mimbres, towards the west.