The American Journal of Science and ArtsS. Converse, 1855 |
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Página 16
... bismuth from tellurium , by sul- phid of ammonium , not to be as correct as is desirable , since there is always a considerable amount of tellurium remaining with the bismuth ; I therefore tried to find another mode , which would give ...
... bismuth from tellurium , by sul- phid of ammonium , not to be as correct as is desirable , since there is always a considerable amount of tellurium remaining with the bismuth ; I therefore tried to find another mode , which would give ...
Página 17
... bismuth and copper , and once I observed a faint odor of selenium . Afterwards I found that the chloritic slate of the same vein , in which the copper py- rites occurs , contains also a considerable quantity of almost mic- roscopic ...
... bismuth and copper , and once I observed a faint odor of selenium . Afterwards I found that the chloritic slate of the same vein , in which the copper py- rites occurs , contains also a considerable quantity of almost mic- roscopic ...
Página 24
... bismuth , for example , in presence of the magnet is thrown by the latter into a state of excitement , which varies as the magnetic strength varies , and in virtue of which the substance is repelled . The next question to be decided is ...
... bismuth , for example , in presence of the magnet is thrown by the latter into a state of excitement , which varies as the magnetic strength varies , and in virtue of which the substance is repelled . The next question to be decided is ...
Página 25
... bismuth was repelled ; when the poles were of differ- ent names , the bismuth bar remained motionless ; all action upon it was annulled . This experiment confirms those of Reich , and proves that the condition , whatever it may be ...
... bismuth was repelled ; when the poles were of differ- ent names , the bismuth bar remained motionless ; all action upon it was annulled . This experiment confirms those of Reich , and proves that the condition , whatever it may be ...
Página 26
... bismuth bar 6 inches long and four - tenths of an inch in diameter was freely suspended , so that the ends of the bar were opposite to those of the soft iron cores . A current being sent through the helix , if the bismuth bar within it ...
... bismuth bar 6 inches long and four - tenths of an inch in diameter was freely suspended , so that the ends of the bar were opposite to those of the soft iron cores . A current being sent through the helix , if the bismuth bar within it ...
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acid alcohol Allanite American ammonia analysis angle animal appears atmosphere Azoic bodies carbonic carbonic acid cells character chemical chlorid color compound contains copper corresponding crustaceans crystalline crystals described diamagnetic earth ecliptic ecliptic currents eggs ether existence fact feet fish formation formula fossils genera genus Geological gives Hauer heat hydrochloric acid inches iron Journal Kenngott Lake limestones liquid lower magnesia magnetic mass Mastodon matter mean meridian metallic meteoric stones meteorites miles mineral nature nearly needle North observations obtained organic origin oxyd oxygen pharyngeal phenomena plane plants plates portion posterior present probably Prof pyrites quantity Rafinesque rays regard remarkable resembling River rocks sandstone Schreibersite SECOND SERIES seen silica Silurian solution species specific gravity specimens substance sulphur surface teeth tellurmethyle temperature tion tooth vapor variations vegetable individual velocity volume
Pasajes populares
Página 4 - I mean stock to remain in this country, to the United States of America, to found at Washington, under the name of the Smithsonian Institution, an establishment for the increase and diffusion of knowledge among men.
Página 6 - ... as they shall deem best suited for the promotion of the purpose of the testator, anything herein contained to the contrary notwithstanding.
Página 12 - And the said regents shall make, from the interest of said fund, an appropriation, not exceeding an average of twenty-five thousand dollars annually, for the gradual formation of a library, composed of valuable works pertaining to all departments of human knowledge.
Página 453 - Gift of the State of New York. 13034, 0. 5. Sixth annual report of the Regents of the University of the State of New York on the condition of the State Cabinet of Natural History, &o.
Página 8 - Resolved, That hereafter the annual appropriations shall be apportioned specifically among the different objects and operations of the Institution in such manner as may, in the judgment of the Regents, be necessary and proper for each, according to its intrinsic importance, and a compliance in good faith with the law.
Página 300 - An Introduction to Practical Astronomy, with a collection of Astronomical Tables ; by Prof. ELIAS LOOMIS, LL.D., &c. — Every cultivator of practical astronomy must have felt the want of some treatise embracing within moderate compass the requisite formulae and tables, together with descriptions of the most approved instruments and methods of observation.
Página 316 - Temple, which afforded a good view of the entire scene. On a sudden, all traffic in the thronged mart was suspended, porters cleared the front street of every description of merchandise, boatmen ceased lading and unlading their vessels, and put out into the middle of the stream, so that a few moments sufficed to give a deserted appearance to the busiest part of one of the busiest cities of Asia.
Página 299 - Parallel of latitude lying between Dona Ana on the Rio Grande and Pimas Villages on the Gila ; by Lieut.
Página 2 - House whether the Smithsonian Institution has been managed, and its funds expended, in accordance with the law establishing the Institution ; and whether any additional legislation be necessary to carry out the designs of its founders, and that said committee have power to send for persons and papers.
Página 179 - ... of the point. Grains of sand were thus pouring over the rocks in countless myriads, under the influence of the powerful current of air which seems to sweep constantly through this pass from the ocean to the interior. Wherever I turned my eyes, — on the horizontal tables of rock, or on the vertical faces turned to the wind, — the effects of the sand were visible: there was not a point untouched, — the grains had engraved their track on every stone. Even quartz was cut away and polished;...