Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1850 |
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Página 23
... increased gravity to take up a fresh charge of heat . The result of the experiments made with this ingenious inven- tion was an evaporation at the rate of 12.8 pounds of water to 1 pound of coal , the rate given by the present ...
... increased gravity to take up a fresh charge of heat . The result of the experiments made with this ingenious inven- tion was an evaporation at the rate of 12.8 pounds of water to 1 pound of coal , the rate given by the present ...
Página 26
... . As soon as the water falls too low , or leaves the surface of the flues bare , they receive extra heat , and so the pressure in the copper box will rapidly increase . This increase will be 26 ANNUAL OF SCIENTIFIC DISCOVERY .
... . As soon as the water falls too low , or leaves the surface of the flues bare , they receive extra heat , and so the pressure in the copper box will rapidly increase . This increase will be 26 ANNUAL OF SCIENTIFIC DISCOVERY .
Página 27
... increase . This increase will be indicated by the water - gage , and notice will be given before the extra heat be- comes dangerous . The safety - valve can then be raised , so as to let off some of the steam , which will cause the ...
... increase . This increase will be indicated by the water - gage , and notice will be given before the extra heat be- comes dangerous . The safety - valve can then be raised , so as to let off some of the steam , which will cause the ...
Página 28
... increased by aug menting the steam pressure to 10 or 12lbs . to the square inch . We strongly recommend that the steam employed in the navy should not be of greater pressure than 10 , or in extreme cases , 12lbs .; any ma- terial increase ...
... increased by aug menting the steam pressure to 10 or 12lbs . to the square inch . We strongly recommend that the steam employed in the navy should not be of greater pressure than 10 , or in extreme cases , 12lbs .; any ma- terial increase ...
Página 30
... increases much faster than does the op- position caused by the water and the air . - Editors . ] ON THE PADDLES OF STEAMERS . THOMAS EWBANK , ESQ . , the present Commissioner of Patents , has communicated to the Journal of the Franklin ...
... increases much faster than does the op- position caused by the water and the air . - Editors . ] ON THE PADDLES OF STEAMERS . THOMAS EWBANK , ESQ . , the present Commissioner of Patents , has communicated to the Journal of the Franklin ...
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Academy action Agassiz American animal apparatus appearance Athenæum atmosphere body boiler bones Boston carbonic acid cent chemical chloroform coal coast color connected containing copper crystals cylinder deposits diameter discovery distance effect electric engine equal evaporation examination existence experiments fact feet flour fossil glass goitre gold gun-cotton gutta-percha heat HUGH MILLER inches invention iodine iron island Journal Kilauea kyanized Lake Lake Superior length light lime liquid longitude LOUIS AGASSIZ machine magnesia magnetic manufacture mass matter means meerschaum metal miles motion nearly nitric acid observations obtained oxide paper passing patent phenomena plants plates portion pounds present produced Prof Professor quantity R. I. Murchison recently remarkable river rocks salt side solution species specimens square miles steam substance sugar sulphuric acid surface temperature thickness tion tons tube vessel weight wheel whole wires zinc
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Página 5 - 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 231 - We immediately pulled in for the shore, and Dr. Anderson and I went up and examined it. The beach was a soft, slimy mud encrusted with salt, and a short distance from the water, covered with saline fragments and flakes of bitumen. 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...
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.
Página 113 - ... out of paper or into the hand, without exciting it to such a degree as to open the leaves of an electrometer one or more inches ; or if it be unelectrified, the slightest passage over the hand or face, the clothes, or almost any other substance gives it an electric state. Some of the gutta percha is sold in very thin sheets, resembling in general appearance oiled silk ; and if a strip of this be drawn through the fingers, it is so electric as to adhere to the hand or attract pieces of paper....
Página 232 - 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 186 - ... checked. About two months afterwards, this mixture is coloured thus : — a quantity of dried elderberries is put into coarse bags ; these are placed in vats, and a part of the wine to be coloured being thrown over them, they are trodden by men till the whole of the colouring matter is expressed, when the husks are thrown away.
Página 1 - PRINCIPLES OF ZOOLOGY; Touching the Structure, Development, Distribution, and Natural Arrangement, of the RACES OF ANIMALS, living and extinct, with numerous Illustrations. For the use of Schools and Colleges.
Página 186 - MADE. 71 smashed, and then left to ferment. When the wine is about half fermented it is transferred from the vat to tonels ; and brandy (several degrees above proof) is thrown in, in the proportion of twelve to twenty-five gallons to the pipe of must, by which the fermentation is generally checked.
Página 220 - ... the Atchafalaya. This delta is about 14,000 square miles in area, and elevated from a few inches to ten feet above the level of the sea. The greater part of it protrudes into the Gulf of Mexico beyond the general coast- line. The level plain to the north, as far as Cape Girardeau in the Missouri, above the junction of the Ohio, is of the same character, including, according to Mr.