Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1863 |
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Ergebnisse 1-5 von 87
Seite 23
... heating every part equally , consolidates the layers into one mass , and constitutes a really strong chain . In rolling hoop iron in this manner , there is danger of fracture at the bend ; but where there are so many consecutive layers ...
... heating every part equally , consolidates the layers into one mass , and constitutes a really strong chain . In rolling hoop iron in this manner , there is danger of fracture at the bend ; but where there are so many consecutive layers ...
Seite 25
... heating the metal in a reverberatory 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 ...
... heating the metal in a reverberatory 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 ...
Seite 26
... heat of the climate , it is especially desirable to avoid the laborious work of puddling . Mr. Bessemer introduced his process in 1855. It was received with approbation by some iron - masters , and with contempt by others ; but it is ...
... heat of the climate , it is especially desirable to avoid the laborious work of puddling . Mr. Bessemer introduced his process in 1855. It was received with approbation by some iron - masters , and with contempt by others ; but it is ...
Seite 31
... heat developed is sufficiently intense even to melt wrought iron by the hundred weight . The air which supplies the generator is also previously heated ; and in the Swedish furnaces the apparatus for heating the blast consists of a ...
... heat developed is sufficiently intense even to melt wrought iron by the hundred weight . The air which supplies the generator is also previously heated ; and in the Swedish furnaces the apparatus for heating the blast consists of a ...
Seite 32
... heat which escapes up the chimney , especially in furnaces where smoky flame may frequently be seen issuing from the top . One great object of Siemens is to save and transfer this heat back into the furnace ; and this is done in the ...
... heat which escapes up the chimney , especially in furnaces where smoky flame may frequently be seen issuing from the top . One great object of Siemens is to save and transfer this heat back into the furnace ; and this is done in the ...
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Häufige Begriffe und Wortgruppen
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
Beliebte Passagen
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...