Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art, for [1850]-71, Exhibiting the Most Important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Geology, Biology, Botany, Mineralogy, Meteorology, Geography, Antiquities, Etc., Together with Notes on the Progress of Science ... a List of Recent Scientific Publications; Obituaries of Eminent Scientific Men, Etc. ...Gould and Lincoln, 1857 |
Termos e frases comuns
action æther alloy ammonia animal antimony appears atmosphere axis body boiler bone phosphate bottom carbonic acid cast iron centre chemical chloroform coal color consists containing copper cylinder deposit diameter distance earth effect electricity employed engine England experiments fact feet fire fluid force fossils furnace glass gold grain Greensand Gulf Stream gutta percha heat improvement inches increased invention kilogrammes light lime machine manufacture mass material matter means metal miles minute motion nearly observations obtained operation ordinary organic oxide oxygen paper passing patent perfect pig iron pig metal placed plants plate portion pounds present pressure produced Prof proportion puddling furnace quantity recently rocks salt shaft side silver solution species specimens steam steel strychnine substance sulphur sulphuric acid surface temperature thickness tion tube valve vegetable velocity vessel weight wheel whole wire wood wrought iron zinc
Passagens mais conhecidas
Página 179 - possible that the motions of the earth and of the heavenly bodies, and the heat of the sun, may all be due to gravitation ; or, thai the potential energy of gravitation may be in reality the ultimate created antecedent of all motion, heat, and light
Página 247 - should not hold less than one, or more than five tons, of fluid iron at each charge. The vessel should be placed so near to the discharge hole of the blast furnace as to allow the iron to flow along a gutter into it ; a small blast cylinder will be required capable
Página 212 - is the significant number of those beautiful crystals which show that minerals (as well as stars) have their geometry. Five is the model number of the highest class of plants, those with reticulated veins and branches, is the typical number of the fingers and toes of vertebrate animals, and is of frequent occurrence among
Página 247 - being about three-eighths of an inch in diameter; they are so put into the brick lining (from the outer side) as to admit of their removal and renewal in a few minutes when they are worn out. At one side of the vessel, about half way up from the bottom, there is a hole made for running
Página 127 - object was to show, that when electricity performs any mechanical work which does not return to its source, electrical power is lost. The first experiment was made in the following manner :—A Leyden jar, of one square foot coated surface, has its interior connected with a Cuthbertson's electrometer, between which
Página 127 - by a stiff wire inserted between the attracting knobs, and the Leyden jar charged by discharging from the unit-jar. After a certain number of these (twenty-two in the experiment performed in the theatre of the Institution), the discharge of the large jar takes place across the ^-inch interval ; this may
Página 347 - SNOW ON VEGETATION IN ARCTIC LATITUDES. Few of us at home can realize the protecting value of this warm coverlet of snow. No eider-down in the cradle of an infant is tucked in more kindly than the sleeping dress of winter about this feeble
Página 251 - or SOlbs., each of which is moulded and fashioned by human labor, carefully watched and tended in the furnace, and removed therefrom one at a time, to be carefully manipulated and squeezed into form. When we consider the vast extent of the manufacture, and the gigantic scale
Página 251 - which the early stages of the process are conducted, it is astonishing that no effort should have been made to raise the after processes somewhat nearer to a level commensurate with the preceding ones, and thus rescue the trade from the trammels which have so long surrounded it.