The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould and Lincoln, 1867 |
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Pagina 50
... obtaining the precip- itates . The separation and refining of the metal is effected in the solution . In working the mixed ore of sulphides of lead and zinc , the lead is found as a sulphate in the bottom of the water - tank , and the ...
... obtaining the precip- itates . The separation and refining of the metal is effected in the solution . In working the mixed ore of sulphides of lead and zinc , the lead is found as a sulphate in the bottom of the water - tank , and the ...
Pagina 54
... obtain adhesion is an arrangement of horizontal drivers biting on a central rail . This plan , though regarded as new in Europe , was long ago patented and used in America . - Journal of the Franklin Institute , Nov. , 1865 . A paper on ...
... obtain adhesion is an arrangement of horizontal drivers biting on a central rail . This plan , though regarded as new in Europe , was long ago patented and used in America . - Journal of the Franklin Institute , Nov. , 1865 . A paper on ...
Pagina 55
... obtained by horizontal wheels , worked by the engine in conjunction with or independently of the ordinary driving - wheels , which admitted of the weight of the engine being reduced to a minimum , while the pressure upon the middle rail ...
... obtained by horizontal wheels , worked by the engine in conjunction with or independently of the ordinary driving - wheels , which admitted of the weight of the engine being reduced to a minimum , while the pressure upon the middle rail ...
Pagina 58
... obtaining a suitable motive power , i . e . , one capable of furnishing a sufficiency of power with- out weight . In the case of the steam - engine , which first occurs to the mind as the possible agent of the propulsion , the chief ob ...
... obtaining a suitable motive power , i . e . , one capable of furnishing a sufficiency of power with- out weight . In the case of the steam - engine , which first occurs to the mind as the possible agent of the propulsion , the chief ob ...
Pagina 59
... obtained . For this reason , a rocket , however great its power , would be wholly unsuited to the purpose of aerial navigation ; it being impossible to retard its speed without diminishing the power exerted by it . But no such objection ...
... obtained . For this reason , a rocket , however great its power , would be wholly unsuited to the purpose of aerial navigation ; it being impossible to retard its speed without diminishing the power exerted by it . But no such objection ...
Overige edities - Alles bekijken
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1857 |
Veelvoorkomende woorden en zinsdelen
acid action Albertite American amount aniline animal appears atmosphere bitumen body bolide bright lines cable carbonic carbonic acid cause centimetres chemical chloride cloth coal color combustion containing copper cylinder dark diameter distance earth effect electricity engine existence experiments exposed fact feet flame force furnace gaseous glass gun-cotton heat hundred hydrogen inches increase infusoria iron lake light magnesium mass material matter means meat mechanical metal metres miles minute muscle muscular nebula nitrate nitrogen nitroglycerine object observations obtained ordinary oxide oxygen ozone paper Parkesine phosphorus photographs plants plate portion potash pounds present produced Prof quantity rocks salt Science Scientific Scientific American shot silicate soda sodium sodium amalgam solar solution species spectra spectrum stars steam steel substance sulphate sulphur sulphuric acid surface telescope temperature tion tube tunnel vapor vessels weight zinc
Populaire passages
Pagina 261 - a special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation, but is due to chemical reactions at the ordinary temperature, and under the normal conditions of climate.
Pagina 303 - When the ether spray thus produced is directed upon the outer skin, the skin is rendered insensible within a minute; but the effects do not end here. So soon as the skin is divided, the ether begins to exert on the nervous filaments the double action of cold and of etherization : so that the narcotism can be extended deeply to any desired extent. Pure rectified ether used in this manner is entirely negative ; it causes no irritation, and may be applied to a deep wound, as I shall show, without any...