Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for ...1864 |
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Zadetki 1–5 od 49
Stran 17
... entirely so still ; but , even bad as this was , it was capa- ble of being made worse , and worse accordingly it was made . In 1849 , most of the houses in London had cesspools attached to them , and a very large proportion were without ...
... entirely so still ; but , even bad as this was , it was capa- ble of being made worse , and worse accordingly it was made . In 1849 , most of the houses in London had cesspools attached to them , and a very large proportion were without ...
Stran 22
... entirely performed by the company . Thirty trains per diem ( Sundays excepted ) have been despatched with perfect regularity , and upwards of 4,000 trains have run without impediment or delay . The time occupied in the transmission has ...
... entirely performed by the company . Thirty trains per diem ( Sundays excepted ) have been despatched with perfect regularity , and upwards of 4,000 trains have run without impediment or delay . The time occupied in the transmission has ...
Stran 41
... entirely within the range of safety to the books and papers . Conclusions . 1st . It is evident that the protection against fire is mainly proportioned to the quantity of water the safe can give up to be carried away as steam , and not ...
... entirely within the range of safety to the books and papers . Conclusions . 1st . It is evident that the protection against fire is mainly proportioned to the quantity of water the safe can give up to be carried away as steam , and not ...
Stran 43
... entirely by hand labor is rapidly yielding to the march of improvement , and will soon , to all ар- pearances , be numbered with the relics of the past . This change in the character of the manufacture of a great staple industrial ...
... entirely by hand labor is rapidly yielding to the march of improvement , and will soon , to all ар- pearances , be numbered with the relics of the past . This change in the character of the manufacture of a great staple industrial ...
Stran 46
... entirely obviated . By another ar- rangement the regenerative principle has been applied also to coke ovens , the result being that the separation of the coke from its gaseous constituents is effected without losing the latter . In ...
... entirely obviated . By another ar- rangement the regenerative principle has been applied also to coke ovens , the result being that the separation of the coke from its gaseous constituents is effected without losing the latter . In ...
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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.