Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1850 |
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Página 8
... tion of the work , it would be presumptuous for us to hope that we have been entirely successful in our earnest en- deavours to render the Annual perfectly accurate , and we must plead , in excuse for any errors which may be detected ...
... tion of the work , it would be presumptuous for us to hope that we have been entirely successful in our earnest en- deavours to render the Annual perfectly accurate , and we must plead , in excuse for any errors which may be detected ...
Página 9
... tion , that he was employed by Martius to prepare the ichthyological department of the Natural History of Brazil , a work which gained him great credit . At this period , his parents , disliking his exclusive devotion to science ...
... tion , that he was employed by Martius to prepare the ichthyological department of the Natural History of Brazil , a work which gained him great credit . At this period , his parents , disliking his exclusive devotion to science ...
Página 23
... tion was an evaporation , at the rate of 12.8 pounds of water to 1 pound of coal , the rate given by the present construction of boilers being stated at 8 pounds of water to 1 pound of coal . Besides the saving of fuel which would thus ...
... tion was an evaporation , at the rate of 12.8 pounds of water to 1 pound of coal , the rate given by the present construction of boilers being stated at 8 pounds of water to 1 pound of coal . Besides the saving of fuel which would thus ...
Página 24
... tion . At a signal , a valve was opened that admitted the atmospheric air , which instantly choked the condenser of the engine , shut off the throttle and water valves , and opened the blow - valves . After this was done , the fly ...
... tion . At a signal , a valve was opened that admitted the atmospheric air , which instantly choked the condenser of the engine , shut off the throttle and water valves , and opened the blow - valves . After this was done , the fly ...
Página 27
... tion , which is the best preventive of explosions we have yet seen . Scientific American . - NEW ROTARY ENGINE . SEVERAL trials have been made , as we learn from the London Times , with a rotary engine , which has been brought to its ...
... tion , which is the best preventive of explosions we have yet seen . Scientific American . - NEW ROTARY ENGINE . SEVERAL trials have been made , as we learn from the London Times , with a rotary engine , which has been brought to its ...
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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
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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.