Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for ...1864 |
Iz vsebine knjige
Zadetki 1–5 od 100
Stran x
... means of preparing by artificial processes these powerful medicines , and pos- sibly others equally efficacious . And more than that , and principally through the researches of Berthelot , dead mineral matter has been worked up by ...
... means of preparing by artificial processes these powerful medicines , and pos- sibly others equally efficacious . And more than that , and principally through the researches of Berthelot , dead mineral matter has been worked up by ...
Stran xii
... means familiar to the best professors of legerdemain . I have witnessed also many very sur- prising and extraordinary metaphysical manifestations . But I cannot say that any of those have been such as wholly to exclude the possibil- ity ...
... means familiar to the best professors of legerdemain . I have witnessed also many very sur- prising and extraordinary metaphysical manifestations . But I cannot say that any of those have been such as wholly to exclude the possibil- ity ...
Stran 17
... means . This flushing alone during summer costs 20.000l . a year to get the poison into the Thames , where 20.000l . more is generally required to keep it from breeding a plague . " To obviate these difficulties , an immense new sewage ...
... means . This flushing alone during summer costs 20.000l . a year to get the poison into the Thames , where 20.000l . more is generally required to keep it from breeding a plague . " To obviate these difficulties , an immense new sewage ...
Stran 20
... means of withstanding , externally , any compression ; it would facilitate the delivery of coals from the bunkers , and if any one of those bunkers was perforated or stove , you possessed the en- gine - power , to be exerted from within ...
... means of withstanding , externally , any compression ; it would facilitate the delivery of coals from the bunkers , and if any one of those bunkers was perforated or stove , you possessed the en- gine - power , to be exerted from within ...
Stran 21
... means of appropriate machinery connected with this tidal movement , any kind of work could be performed readily . THE PNEUMATIC DESPATCH . In the Annual of Sci . Dis . 1863 , p . 43 , the application of the prin- ciple of forcing ...
... means of appropriate machinery connected with this tidal movement , any kind of work could be performed readily . THE PNEUMATIC DESPATCH . In the Annual of Sci . Dis . 1863 , p . 43 , the application of the prin- ciple of forcing ...
Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
action ammonia animals appear aqueous vapor astronomers atmosphere atoms Aye-Aye body British Association carbonic acid Carboniferous cause cent chemical color containing depth Devonian diameter discovery distance earth effect electric equal existence experiments exposed fact feet fire French gases give glass graphite gun-cotton gunpowder gypsum heat hundred hydrochloric acid hydrogen inches insects iron length less light liquid London magnesium manufacture mass matter metal miles minute moon mountains nature nearly nitrogen observed obtained organic oxygen paper passed phenomena photographic plants plate portion pounds present pressure produced Prof putrefaction quantity rays recent remarkable result rifled rock rubidium safe salt shot side silica soda solar solar parallax solid species spectrum stars steam substance sulphur sulphuric acid sun's surface temperature thallium thickness tion transmutation of species tube velocity vessel weight whole
Priljubljeni odlomki
Stran 170 - It is conceivable that the various kinds of matter, now recognized as different elementary substances, may possess one and the same ultimate or atomic molecule existing in different conditions of movement. The essential unity of matter is an hypothesis in harmony with the equal action of gravity upon all bodies. We know the anxiety with which this point was investigated by Newton, and the care he took to ascertain that every kind of substance, ' metals, stones, woods, grain, salts, animal substances,'...
Stran 256 - As with an invisible trowel, the mass is divided and subdivided into smaller and smaller portions, until it is reduced to an aggregation of granules not too large to build withal the finest fabrics of the nascent organism. And, then, it is as if a delicate finger traced out the line to be occupied by the spinal column, and moulded the contour of the body...
Stran 306 - Thus, by means of repeated selection alone, the length of the ears has been doubled, their contents nearly trebled, and the " tillering" power of the seed increased five-fold.
Stran 288 - The Negro exhibits permanently the imperfect brain, projecting lower jaw, and slender bent limbs of a Caucasian child some considerable time before the period of its birth. The aboriginal American represents the same child nearer birth. The Mongolian is an arrested infant newly born. And so forth.
Stran 77 - The natural philosopher of to-day may dwell amid conceptions which beggar those of Milton. So great and grand are they, that, in the contemplation of them, a certain force of character is requisite to preserve us from bewilderment.