Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1850 |
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Página 10
... miles from any other habitation than his own hut . The result of these examinations are contained in two works , Etudes sur les Glaciers , and Système Glacière . In 1846 Agassiz came to America , and on the establishment of the Lawrence ...
... miles from any other habitation than his own hut . The result of these examinations are contained in two works , Etudes sur les Glaciers , and Système Glacière . In 1846 Agassiz came to America , and on the establishment of the Lawrence ...
Página 16
... mile long , were erected workshops , with the requisite forges and machinery . Several wharves were built and six steam - engines procured . 700 men were employed on the iron - work , and 800 on the stone for the towers . We will ...
... mile long , were erected workshops , with the requisite forges and machinery . Several wharves were built and six steam - engines procured . 700 men were employed on the iron - work , and 800 on the stone for the towers . We will ...
Página 17
... miles , and in weight to about 900 tons ! The mode in which these legions of rivets have been constructed is briefly as follows . At the western end of the company's principal forging establishment there stands a furnace or trough ...
... miles , and in weight to about 900 tons ! The mode in which these legions of rivets have been constructed is briefly as follows . At the western end of the company's principal forging establishment there stands a furnace or trough ...
Página 19
... miles . The Britannia tower in the centre of the strait is at the base 62 feet by 52 , and rises to a height of 230 feet . This enormous struc- ture , which weighs over 20,000 tons , contains 148,625 cubic feet of Anglesey marble for ...
... miles . The Britannia tower in the centre of the strait is at the base 62 feet by 52 , and rises to a height of 230 feet . This enormous struc- ture , which weighs over 20,000 tons , contains 148,625 cubic feet of Anglesey marble for ...
Página 21
... mile long , thus forming the longest suspension bridge in the world . It is proposed to have five piers , besides the two abut- ments , making four openings of 444 feet each , and two of 222 feet . The road - way will be 34 feet wide ...
... mile long , thus forming the longest suspension bridge in the world . It is proposed to have five piers , besides the two abut- ments , making four openings of 444 feet each , and two of 222 feet . The road - way will be 34 feet wide ...
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Academy action Agassiz American ammonia animal apparatus appearance ascer Athenæum atmosphere bituminous coal boiler bones Boston carbon carbonic acid cent chemical chloroform coal coast color connected containing copper crystals cylinder deposits diameter discovered discovery distance effect electric engine evaporation examination experiments fact feet flour fossil glass goitre gold gun-cotton gutta-percha heat inches invention iron island Journal Kilauea kyanized Lake Lake Superior length light lime liquid London longitude machine magnesia magnetic manufacture mass matter means meerschaum metal miles nearly nitric acid observations obtained oxide paper passed patent phenomena plant plates portion pounds present principle produced Prof Professor proportion quantity R. I. Murchison recently remarkable river rocks salt Science scientific solution species specimens square miles steam substance sugar sulphuric acid surface temperature thickness tion tons tube vessel weight whole wires zinc
Pasajes populares
Página 355 - Mayne, like a shewer from the South to the North, and from the North to the West, and then downe to the South againe.
Página 237 - We found the pillar to be of solid salt, capped with carbonate of lime, cylindrical in front and pyramidal behind. The upper or rounded part is about forty feet high, resting on a kind of oval pedestal, from forty to sixty feet above the level of the sea. It slightly decreases in size upwards, crumbles at the top, and is one entire mass of crystallization.
Página 5 - WASHINGTON STREET, BOSTON, ANNUAL OF SCIENTIFIC DISCOVERY ; or, Year Book of Facts in Science and Art, exhibiting the most important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Meteorology, Zoology, Botany, Mineralogy, Geology, Geography, Antiquities, etc.
Página 147 - Sometimes it will be more convenient to arrange the two charts in symmetrical positions, one to the left and the other to the right of the subject's median plane, and with a slight inclination toward this plane.