The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка vii
... 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 from 90 dollars to 100 dollars . The expense per running mile is still kept nearly within its ...
... 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 from 90 dollars to 100 dollars . The expense per running mile is still kept nearly within its ...
Сторінка x
... employed , the saving of time amounts in certain cases to many hundred per cent . , tage which , at the present day , we cannot afford to overlook . The researches of Graham ( vide p . 194 ) on the metallic character of hydrogen as ...
... employed , the saving of time amounts in certain cases to many hundred per cent . , tage which , at the present day , we cannot afford to overlook . The researches of Graham ( vide p . 194 ) on the metallic character of hydrogen as ...
Сторінка 17
... employed were natives of the country , speaking a language unknown to those by whom they were employed , and whose habits and modes of life unfitted them for labor such as that on which they were engaged . Great works such as those of ...
... employed were natives of the country , speaking a language unknown to those by whom they were employed , and whose habits and modes of life unfitted them for labor such as that on which they were engaged . Great works such as those of ...
Сторінка 21
... employed within the bell and within the tube will be insured also by steam power on shore . As the tube is completed , the rails will be laid within it for the trains of wagons to be employed in bringing up segments of the rings as they ...
... employed within the bell and within the tube will be insured also by steam power on shore . As the tube is completed , the rails will be laid within it for the trains of wagons to be employed in bringing up segments of the rings as they ...
Сторінка 25
... and becomes steam at 100 ° C. , in quantity corresponding to the heat employed . · " The new system of reversing steam has been 3 MECHANICS AND USEFUL ARTS . 25 work the engine for any considerable time by means of ...
... and becomes steam at 100 ° C. , in quantity corresponding to the heat employed . · " The new system of reversing steam has been 3 MECHANICS AND USEFUL ARTS . 25 work the engine for any considerable time by means of ...
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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 |
Загальні терміни та фрази
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.