Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1863 |
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Seite 22
... furnace of molten metal , and afterwards rounded off for the completion of the latter operation of brazing . Between the links there is a stay as in the ordinary chains . The principle may be understood by taking a long slip of paper ...
... furnace of molten metal , and afterwards rounded off for the completion of the latter operation of brazing . Between the links there is a stay as in the ordinary chains . The principle may be understood by taking a long slip of paper ...
Seite 23
... be taken , approximately , as a half to one - and - a - half per cent . Steel is much more fusible than wrought iron , and may be melted in ordinary furnaces , when it is termed cast steel . MECHANICS AND USEFUL ARTS . 23.
... be taken , approximately , as a half to one - and - a - half per cent . Steel is much more fusible than wrought iron , and may be melted in ordinary furnaces , when it is termed cast steel . MECHANICS AND USEFUL ARTS . 23.
Seite 24
... furnaces are termed " converting furnaces , " and the bars of steel produced are called " blister - steel , " from their being studded here and there with blister - like protuberances . A great number of examples of steel produced by ...
... furnaces are termed " converting furnaces , " and the bars of steel produced are called " blister - steel , " from their being studded here and there with blister - like protuberances . A great number of examples of steel produced by ...
Seite 25
... furnace with free access of air , and working it about until the carbon is burnt out , or nearly so . Now , if steel be only iron containing more carbon than wrought iron and less than cast iron , it is obvious that in puddling the ...
... furnace with free access of air , and working it about until the carbon is burnt out , or nearly so . Now , if steel be only iron containing more carbon than wrought iron and less than cast iron , it is obvious that in puddling the ...
Seite 26
... furnace into the " converting vessel , " which is a circular vessel of iron coated inter- nally with a refractory lining of silica . Several jets of air are then blown in at the bottom , and bubble up through the metal . For a time all ...
... furnace into the " converting vessel , " which is a circular vessel of iron coated inter- nally with a refractory lining of silica . Several jets of air are then blown in at the bottom , and bubble up through the metal . For a time all ...
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acetic acid action alumina ammonia amount aniline animals apparatus appear applied armor-plates astronomer atmosphere body British carbonic acid cast iron cent charcoal chemical cloth color comet containing copper degrees diameter discovery distance earth effect electric English engraving exhibited existence experiments explosion fact feet fibre force furnace heat hundred hydrochloric acid hydrogen inches increased iron lakes light lines liquid London machine magnetism manufacture mass matter ments metal metres miles minute motion naphtha nature nitric acid nitrogen observed obtained organic oxide oxygen paper passed phenomena phosphorus plants plates pollinia portion pounds present pressure produced Prof projectile quantity recently remarkable resistance rifled salt shell ship Shoeburyness shot side solar solid solution specimens spectrum stars steam steel stone strychnia substance sulphuric acid surface target temperature thallium thick tion tons tube vapor velocity vessel weight wrought iron
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Seite 140 - In this ascension, six pigeons were taken up. One was thrown out at the height of three miles ; it extended its wings and dropped...
Seite 171 - In order to explain,' he says, ' the occurrence of the dark lines in the solar spectrum, we must assume that the solar atmosphere encloses a luminous nucleus, producing a continuous spectrum, the brightness of which exceeds a certain limit. The most probable supposition which can be made respecting the sun's constitution is, that it consists of a solid or liquid nucleus, heated to a temperature of the brightest whiteness, surrounded by an atmosphere of somewhat lower temperature. This supposition...