The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка iii
... Rail- ways ; a northern , and possibly a southern one . As in the case of the French Atlantic Cable , the success of later attempts will be received as a matter of course , and the Pacific Railroad , whose completion we note to - day ...
... Rail- ways ; a northern , and possibly a southern one . As in the case of the French Atlantic Cable , the success of later attempts will be received as a matter of course , and the Pacific Railroad , whose completion we note to - day ...
Сторінка vi
the description of an electro - heating apparatus . The introduction of steel rails promises to make accidents from ... rail- ways of India . The brake power on several of the French and Spanish railways has been greatly increased by an ...
the description of an electro - heating apparatus . The introduction of steel rails promises to make accidents from ... rail- ways of India . The brake power on several of the French and Spanish railways has been greatly increased by an ...
Сторінка vii
... rails of Bessemer steel , and exhibited specimens of its rails at the exposition of 1867. With a weight per yard of only 45 pounds , the company obtained a steel rail having double the strength of the iron rails of a larger section ...
... rails of Bessemer steel , and exhibited specimens of its rails at the exposition of 1867. With a weight per yard of only 45 pounds , the company obtained a steel rail having double the strength of the iron rails of a larger section ...
Сторінка viii
... rail made in two or three continuous parts , breaking joints , is also a practical insurance against disaster from broken rails . It is estimated that in the United States from 40,000 to 50,000 tons of steel rails are in use on our ...
... rail made in two or three continuous parts , breaking joints , is also a practical insurance against disaster from broken rails . It is estimated that in the United States from 40,000 to 50,000 tons of steel rails are in use on our ...
Сторінка 18
... rail at very slow velocities , seldom , if ever , rising to such a height as to interfere with a locomotive passing over the line ; however , if it did , the obstruction could only last for not more than one day in a whole year . By ...
... rail at very slow velocities , seldom , if ever , rising to such a height as to interfere with a locomotive passing over the line ; however , if it did , the obstruction could only last for not more than one day in a whole year . By ...
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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.