The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Результати 6-10 із 82
Сторінка 21
places ; and in order to obtain a firm footing upon the bottom of the sea , the tube will be weighted by a lining of brick in cement , and for further protection will be tied to the ground by screw piles , which will pass through ...
places ; and in order to obtain a firm footing upon the bottom of the sea , the tube will be weighted by a lining of brick in cement , and for further protection will be tied to the ground by screw piles , which will pass through ...
Сторінка 25
... obtained , and it was found possible to work with a moderate admission of steam with light loads on moderate gradients , without burning the packings , and without injuring the rubbing surfaces . We have in France the example of a ...
... obtained , and it was found possible to work with a moderate admission of steam with light loads on moderate gradients , without burning the packings , and without injuring the rubbing surfaces . We have in France the example of a ...
Сторінка 28
... obtained by noting the revolutions of the wheel was found to be no more than one sixty - eight thousandth of the whole . A NEW ALARM - BELL FOR LOCOMOTIVES . A new alarm - bell was tested on the Detroit and Milwaukie Railroad lately ...
... obtained by noting the revolutions of the wheel was found to be no more than one sixty - eight thousandth of the whole . A NEW ALARM - BELL FOR LOCOMOTIVES . A new alarm - bell was tested on the Detroit and Milwaukie Railroad lately ...
Сторінка 30
... 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 . State ...
... 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 . State ...
Сторінка 33
... obtained ; the one great desideratum being , apparently , that the price be low . Hence , the maker's chief study is ... obtain a well - finished and salable rail , regardless of its brittleness , -so long , indeed , as it does not break ...
... obtained ; the one great desideratum being , apparently , that the price be low . Hence , the maker's chief study is ... obtain a well - finished and salable rail , regardless of its brittleness , -so long , indeed , as it does not break ...
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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.