The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Сторінка vi
... appears that within the twenty years since this machinery was perfected , more than 1,000 engines of the kind have been built in the United States , and several hundred in other countries , giving an aggregate of not less than 250,000 ...
... appears that within the twenty years since this machinery was perfected , more than 1,000 engines of the kind have been built in the United States , and several hundred in other countries , giving an aggregate of not less than 250,000 ...
Сторінка xv
... appear and disappear in the course of some minutes . And a study of certain minute changes of position in the bright line F , which receive a simple and natural explanation by referring them to proper motion in the glowing gas by which ...
... appear and disappear in the course of some minutes . And a study of certain minute changes of position in the bright line F , which receive a simple and natural explanation by referring them to proper motion in the glowing gas by which ...
Сторінка xviii
... appears to be free from dark lines , but may contain two or three bright ones . Its striæ are spiral rather than radial , and its light is unpolarized . The sky adjoining it , however , reflecting light from the earth , shows strong ...
... appears to be free from dark lines , but may contain two or three bright ones . Its striæ are spiral rather than radial , and its light is unpolarized . The sky adjoining it , however , reflecting light from the earth , shows strong ...
Сторінка xx
... appears from his research that the greater part of the moon's heat which reaches the earth appears to have been first absorbed by the lunar surface . The amount of lunar heat appears to indicate an elevation of temperature for the ...
... appears from his research that the greater part of the moon's heat which reaches the earth appears to have been first absorbed by the lunar surface . The amount of lunar heat appears to indicate an elevation of temperature for the ...
Сторінка 21
... appears to be the most uniform in level , and , while free from hard rocks and broken ground , to consist of coarse sand , gravel , and clay . The average depth of water is about 110 feet , the maximum about 200 feet . On the line sug ...
... appears to be the most uniform in level , and , while free from hard rocks and broken ground , to consist of coarse sand , gravel , and clay . The average depth of water is about 110 feet , the maximum about 200 feet . On the line sug ...
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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.