Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for ...1864 |
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Pagina 22
... atomic accumulation of a peculiar substance , a NITRIDE of iron com- bined with about 20 per cent . of carbon : the nitro - carburetted iron of Fremy . The quantity of carbon and nitrogen diminished gradually towards the centre , where ...
... atomic accumulation of a peculiar substance , a NITRIDE of iron com- bined with about 20 per cent . of carbon : the nitro - carburetted iron of Fremy . The quantity of carbon and nitrogen diminished gradually towards the centre , where ...
Pagina 52
... atoms . Against the palisades of a for- tification : a small square box containing twenty - five pounds , merely flung down close to it , will open a passage for troops ; in actual experience on palisades a foot diameter and eight feet ...
... atoms . Against the palisades of a for- tification : a small square box containing twenty - five pounds , merely flung down close to it , will open a passage for troops ; in actual experience on palisades a foot diameter and eight feet ...
Pagina 80
... atoms of iron and ox- ygen ; here also is a transparent gas which you cannot now see , - bonic acid gas , which is formed by the falling together of carbon and oxygen . These atoms thus in close union resemble our lead weight while ...
... atoms of iron and ox- ygen ; here also is a transparent gas which you cannot now see , - bonic acid gas , which is formed by the falling together of carbon and oxygen . These atoms thus in close union resemble our lead weight while ...
Pagina 81
... atoms asunder , setting the oxygen free , and allowing the carbon to aggregate in woody fibre . Let the solar rays fall upon a surface of sand ; the sand is heated , and finally radiates away as much heat as it receives ; let the same ...
... atoms asunder , setting the oxygen free , and allowing the carbon to aggregate in woody fibre . Let the solar rays fall upon a surface of sand ; the sand is heated , and finally radiates away as much heat as it receives ; let the same ...
Pagina 96
... atom of hemp , as in the case of the cable laid between Toulon and Algiers . " Another important fact is stated , that wire varies greatly as much as fifty or sixty per cent . -in its capacity for conducting electricity . The cable for ...
... atom of hemp , as in the case of the cable laid between Toulon and Algiers . " Another important fact is stated , that wire varies greatly as much as fifty or sixty per cent . -in its capacity for conducting electricity . The cable for ...
Overige edities - Alles bekijken
Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art ... Volledige weergave - 1859 |
Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art ... Volledige weergave - 1852 |
Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art ... Volledige weergave - 1858 |
Veelvoorkomende woorden en zinsdelen
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
Populaire passages
Pagina 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,'...
Pagina 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...
Pagina 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.
Pagina 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.
Pagina 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.