Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for ...1864 |
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Zadetki 1–5 od 54
Stran viii
... America , which has been viewed with so much anxiety by all who know how indispensable quinine is to the ex- istence of ... American and other waterfowl , were being prepared in the Botanic Gardens for transfer to wild land , and it was ...
... America , which has been viewed with so much anxiety by all who know how indispensable quinine is to the ex- istence of ... American and other waterfowl , were being prepared in the Botanic Gardens for transfer to wild land , and it was ...
Stran 31
... American . NEW MATERIAL APPLIED TO THE ARTS . - At the great London Exhibition , 1862 , a new material applied to the manufacture of fancy articles , such as picture - frames , canes , inlaid- work , & c . , attracted considerable ...
... American . NEW MATERIAL APPLIED TO THE ARTS . - At the great London Exhibition , 1862 , a new material applied to the manufacture of fancy articles , such as picture - frames , canes , inlaid- work , & c . , attracted considerable ...
Stran 34
... America and the Continent ; and the aggregate value of the bladders used in Great Britain , is stated at £ 40,000 or £ 50,000 . NEW METHOD OF PREPARING GUNPOWDER . Mr. W. Bennett , of England , has invented a new method of manu ...
... America and the Continent ; and the aggregate value of the bladders used in Great Britain , is stated at £ 40,000 or £ 50,000 . NEW METHOD OF PREPARING GUNPOWDER . Mr. W. Bennett , of England , has invented a new method of manu ...
Stran 43
... American : Three large apartments are occupied by the operatives , mechanism , and goods . The skins for the uppers are first spread out , examined , and selected according to the purposes for which they are required . Different cutters ...
... American : Three large apartments are occupied by the operatives , mechanism , and goods . The skins for the uppers are first spread out , examined , and selected according to the purposes for which they are required . Different cutters ...
Stran 45
... American . - ARTIFICIAL IVORY . Patents have been taken by Dr. R. Havemann , of New Brunswick , N. J. , for an imitation of ivory , produced by the action of chlorine on India rubber or allied gums . By his process , solid lumps of ...
... American . - ARTIFICIAL IVORY . Patents have been taken by Dr. R. Havemann , of New Brunswick , N. J. , for an imitation of ivory , produced by the action of chlorine on India rubber or allied gums . By his process , solid lumps of ...
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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.