The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка v
... Electricity and steam are the great agents of civilization . The introduction of telegraphic lines and railways in Russia and Asia is destined to revolutionize this part of the globe . We Americans are apt to think ourselves the most ...
... Electricity and steam are the great agents of civilization . The introduction of telegraphic lines and railways in Russia and Asia is destined to revolutionize this part of the globe . We Americans are apt to think ourselves the most ...
Сторінка ix
... electricity we have no startling discoveries to chronicle . M. Jamin , it is said , has ascertained that magnetism can be condensed for a short period in the same way as electricity . Prof. LeRoy Cooley , of Albany , has discovered a ...
... electricity we have no startling discoveries to chronicle . M. Jamin , it is said , has ascertained that magnetism can be condensed for a short period in the same way as electricity . Prof. LeRoy Cooley , of Albany , has discovered a ...
Сторінка 18
... electricity to be the best agent for signalling on rolling stock , and the difficulty in applying it , he believed , was more with reference to the mechani- cal parts than the electrical . Three electrical systems had been applied to ...
... electricity to be the best agent for signalling on rolling stock , and the difficulty in applying it , he believed , was more with reference to the mechani- cal parts than the electrical . Three electrical systems had been applied to ...
Сторінка 19
... electric alarum , and on the engine is another alarum . By moving a handle in any of the carriages the alarums are ... electrical knowledge is needed to work or keep in order the apparatus ; the maintenance of it is not costly , and the ...
... electric alarum , and on the engine is another alarum . By moving a handle in any of the carriages the alarums are ... electrical knowledge is needed to work or keep in order the apparatus ; the maintenance of it is not costly , and the ...
Сторінка 23
... ELECTRICITY AND RAILROADS . On the railroads in France electricity is taking the place of hu- man watchfulness . On many lines there are contrivances where the passing of a train is automatically announced to neighboring stations . The ...
... ELECTRICITY AND RAILROADS . On the railroads in France electricity is taking the place of hu- man watchfulness . On many lines there are contrivances where the passing of a train is automatically announced to neighboring stations . The ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
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acetic acid action American ammonia animals apparatus appears atmosphere battery beds bridge cable carbon carbonic acid cause cent centimetres centre charcoal chemical chloride coal color Comptes Rendus connected containing copper corona cubic cubic metres cylinder depth diameter discovery dissolved eclipse effect electric engine eocene experiments fact feet fibre flame fossil French gases glass glycerine gun-cotton guns heat hydrochloric acid hydrogen inches Indian iron length light lime liquid magnet matter metal method metres miles miocene mixture nitric acid observations obtained ordinary oxide oxygen palladium paper passed placed plants plate platinum polariscope polarization potash precipitate present pressure produced Prof quantity railway rays River salt sandarac sodium solution spark species specific gravity spectrum steam steel rails substance sulphate sulphuric acid surface temperature thick tion tons tube tunnel vapor vibrations weight wire zinc zirconia
Популярні уривки
Сторінка 269 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Сторінка i - 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.
Сторінка 136 - It consists in subjecting the vapours of volatile liquids to the action of concentrated sunlight, or to the concentrated beam of the electric light.