The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка vii
... obtained a steel rail having double the strength of the iron rails of a larger section previously employed by them ; the cost to the company per ton of iron rails having been from 60 dollars to 70 dollars , and that of steel rails being ...
... obtained a steel rail having double the strength of the iron rails of a larger section previously employed by them ; the cost to the company per ton of iron rails having been from 60 dollars to 70 dollars , and that of steel rails being ...
Сторінка viii
... obtained with a steel cap as with an all - steel rail , the first cost will be greatly decreased . A rail made in two or three continuous parts , breaking joints , is also a practical insurance against disaster from broken rails . It is ...
... obtained with a steel cap as with an all - steel rail , the first cost will be greatly decreased . A rail made in two or three continuous parts , breaking joints , is also a practical insurance against disaster from broken rails . It is ...
Сторінка xii
... obtained . The fact that it has been made the subject of a patent adds to its cost , and will retard somewhat its adoption in this country , but now that attention has been called to the matter , use will be made , and with advantage in ...
... obtained . The fact that it has been made the subject of a patent adds to its cost , and will retard somewhat its adoption in this country , but now that attention has been called to the matter , use will be made , and with advantage in ...
Сторінка xiii
... obtaining the mastery over the epi- demic diseases which have for ages decimated the human race ; and the return from human to vaccine lymph direct from the cow will restore the wavering faith of the public in the efficacy of vac ...
... obtaining the mastery over the epi- demic diseases which have for ages decimated the human race ; and the return from human to vaccine lymph direct from the cow will restore the wavering faith of the public in the efficacy of vac ...
Сторінка xiv
... obtained , by putting which together the form of the prominence is deduced . Shortly after Mr. Lockyer's communication of his discovery , Mr. Huggins , who had been independently engaged in the attempt to render the prominences visible ...
... obtained , by putting which together the form of the prominence is deduced . Shortly after Mr. Lockyer's communication of his discovery , Mr. Huggins , who had been independently engaged in the attempt to render the prominences visible ...
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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.