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 71
Сторінка 20
... ordinary train on board , would be a material improvement on the present means of conveyance . Such boats cannot , however , be em- ployed , except by the construction of special harbors on each coast . With reference to a tunnel , it ...
... ordinary train on board , would be a material improvement on the present means of conveyance . Such boats cannot , however , be em- ployed , except by the construction of special harbors on each coast . With reference to a tunnel , it ...
Сторінка 22
... ordinary construction , and to avoid the ob- jections to the use of locomotives in a tube of so great a length , it is proposed to work the traffic by pneumatic pressure . The air will be exhausted on one side of the train and forced in ...
... ordinary construction , and to avoid the ob- jections to the use of locomotives in a tube of so great a length , it is proposed to work the traffic by pneumatic pressure . The air will be exhausted on one side of the train and forced in ...
Сторінка 28
... ordinary bell , weighing about 100 pounds , placed on the platform of the loco- motive , immediately over the cow - catcher . A rod attached to the eccentric shaft causes a clapper to strike the bell each turn of the driving - wheel ...
... ordinary bell , weighing about 100 pounds , placed on the platform of the loco- motive , immediately over the cow - catcher . A rod attached to the eccentric shaft causes a clapper to strike the bell each turn of the driving - wheel ...
Сторінка 29
... ordinary stiffness ; in such a case , however , reasonably good ballasting and sleepers would be essential . When a whole series of sleepers sinks bodily into the mud , the consideration of deflection between the sleepers is a premature ...
... ordinary stiffness ; in such a case , however , reasonably good ballasting and sleepers would be essential . When a whole series of sleepers sinks bodily into the mud , the consideration of deflection between the sleepers is a premature ...
Сторінка 32
... ordinary sort . " Two of the rails were also laid on the New York Central Railroad , at Rochester , N. Y. , June 7 , 1867. On one the cap was loose and even rattling ; on the other it was firm . They were laid continuously , and with ...
... ordinary sort . " Two of the rails were also laid on the New York Central Railroad , at Rochester , N. Y. , June 7 , 1867. On one the cap was loose and even rattling ; on the other it was firm . They were laid continuously , and with ...
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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.