The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Результати 1-5 із 34
Сторінка 27
... metal close - grained without signs of honey - combing . " The director - general of the Austrian I. R. P. State Railway Society certifies to the fact of this wheel having run 50,000 miles . The road on which these wheels are used is ...
... metal close - grained without signs of honey - combing . " The director - general of the Austrian I. R. P. State Railway Society certifies to the fact of this wheel having run 50,000 miles . The road on which these wheels are used is ...
Сторінка 32
... metal . Over the experi- mental rails laid down two years ago near the depot in Buffalo have passed 40,000 engines and 500,000 cars . The iron rails adjoining opposite them have , in the interval , been six times re- newed . No change ...
... metal . Over the experi- mental rails laid down two years ago near the depot in Buffalo have passed 40,000 engines and 500,000 cars . The iron rails adjoining opposite them have , in the interval , been six times re- newed . No change ...
Сторінка 34
... metal red- short , as previously explained , so the presence of phosphorus causes the iron to become brittle and cold - short . It is , there- fore , of great importance , in producing a good and serviceable rail from such inferior ...
... metal red- short , as previously explained , so the presence of phosphorus causes the iron to become brittle and cold - short . It is , there- fore , of great importance , in producing a good and serviceable rail from such inferior ...
Сторінка 40
... metals as may be economically employed in the construc- tion of machines . He then proceeds to give a brief history of ... metal gauge . Thus a twofold service is rendered by the contact of the elements , the water becoming aerified and ...
... metals as may be economically employed in the construc- tion of machines . He then proceeds to give a brief history of ... metal gauge . Thus a twofold service is rendered by the contact of the elements , the water becoming aerified and ...
Сторінка 45
... metal , but copper would be best , on account of its absorbing heat more rapidly and retaining it longer . As regards the cost of magnet machines , this would be materially reduced if they were made by machinery and in large numbers ...
... metal , but copper would be best , on account of its absorbing heat more rapidly and retaining it longer . As regards the cost of magnet machines , this would be materially reduced if they were made by machinery and in large numbers ...
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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
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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.