Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for ...1864 |
Iz vsebine knjige
Zadetki 1–5 od 55
Stran 19
... plates in forming air - tight cellular vessels , and he hoped to be able to show that , by pursuing this mode of construction , a vessel would not only be very much less liable to injury by collision with a ram , but if carefully and ...
... plates in forming air - tight cellular vessels , and he hoped to be able to show that , by pursuing this mode of construction , a vessel would not only be very much less liable to injury by collision with a ram , but if carefully and ...
Stran 21
... plates of which were heated in consequence of de- ficiency of water - was quite inadequate to account for the facts ; al- though weak boilers might be exploded at the moment of starting the engine , in consequence of the swelling of the ...
... plates of which were heated in consequence of de- ficiency of water - was quite inadequate to account for the facts ; al- though weak boilers might be exploded at the moment of starting the engine , in consequence of the swelling of the ...
Stran 23
... plates of iron vessels , machinery , & c . , Mr. John Braithwaite stated that pure red lead- was the best . His experience dated as far back as 1806 , with the use of red lead , and for fifty years he had used it with success . White ...
... plates of iron vessels , machinery , & c . , Mr. John Braithwaite stated that pure red lead- was the best . His experience dated as far back as 1806 , with the use of red lead , and for fifty years he had used it with success . White ...
Stran 44
... plates in a press , so as to effect as complete a compres- sion of the fibres as is attained according to the old mode by beating with a hammer upon a lapstone . From these compressed strips , soles of the different sizes are punched ...
... plates in a press , so as to effect as complete a compres- sion of the fibres as is attained according to the old mode by beating with a hammer upon a lapstone . From these compressed strips , soles of the different sizes are punched ...
Stran 55
... plates or a number of thin ones are the best , with wood backing or without , - these are only a few of the questions bearing upon the subject which have received attention . That some one plan has not been universally adopted is owing ...
... plates or a number of thin ones are the best , with wood backing or without , - these are only a few of the questions bearing upon the subject which have received attention . That some one plan has not been universally adopted is owing ...
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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.