Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for ...1864 |
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Zadetki 1–5 od 65
Stran vi
... of the earth from the sun about four millions of miles . At a recent meeting of the Royal Astronomical Society ( G. B. ) , Mr. Pritchard thus rep- resented the difference : " Take a hair and measure VI NOTES BY THE EDITOR.
... of the earth from the sun about four millions of miles . At a recent meeting of the Royal Astronomical Society ( G. B. ) , Mr. Pritchard thus rep- resented the difference : " Take a hair and measure VI NOTES BY THE EDITOR.
Stran vii
... miles ; it amounts to about the same thing . We ought to be thankful that we are able to calculate and correct such inappreciable quantities . " Astronomical Memoranda . The Lalande prize of the French Academy has been awarded to Mr ...
... miles ; it amounts to about the same thing . We ought to be thankful that we are able to calculate and correct such inappreciable quantities . " Astronomical Memoranda . The Lalande prize of the French Academy has been awarded to Mr ...
Stran viii
... mile in thickness below rain , which is at variance with our preconceived ideas . - Cinchona Bark from India . The gradual but certain destruction of the Cinchona forests of America , which has been viewed with so much anxiety by all ...
... mile in thickness below rain , which is at variance with our preconceived ideas . - Cinchona Bark from India . The gradual but certain destruction of the Cinchona forests of America , which has been viewed with so much anxiety by all ...
Stran xiii
... miles of sea bottom , and so close to the ground that the fishermen have to practise a peculiar mode of fishing in order to take them , while every net and line used in the fishing is thickly covered with the adhesive spawn which they ...
... miles of sea bottom , and so close to the ground that the fishermen have to practise a peculiar mode of fishing in order to take them , while every net and line used in the fishing is thickly covered with the adhesive spawn which they ...
Stran 17
... miles of new drains have been made , and all cesspools made to drain at once into the river . By this ' improved ' drainage some 200,000 additional gallons of sewage were daily added to the Thames at low water , containing no less than ...
... miles of new drains have been made , and all cesspools made to drain at once into the river . By this ' improved ' drainage some 200,000 additional gallons of sewage were daily added to the Thames at low water , containing no less than ...
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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.