Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 4
... heat . It is first of all abundantly clear that the relative thick- nesses of the iron lines observed will vary according as the temperature resembles that of A , B , C , or D. The positions in the spectra will be the same , but the ...
... heat . It is first of all abundantly clear that the relative thick- nesses of the iron lines observed will vary according as the temperature resembles that of A , B , C , or D. The positions in the spectra will be the same , but the ...
Strona 7
... heat , which may be closed when this is attained , the flame from the reverberatory furnace , mixed with a sufficient quantity of air through openings in the flue , then supplying sufficient heat . The roaster soie being heated to a ...
... heat , which may be closed when this is attained , the flame from the reverberatory furnace , mixed with a sufficient quantity of air through openings in the flue , then supplying sufficient heat . The roaster soie being heated to a ...
Strona 8
... heat from the flue , the first largely predominates . The charge on the lowest stage is now removed , and may be at once lixiviated with water ; but it is best to keep it for a few days in a moist state , to finish the conversion into ...
... heat from the flue , the first largely predominates . The charge on the lowest stage is now removed , and may be at once lixiviated with water ; but it is best to keep it for a few days in a moist state , to finish the conversion into ...
Strona 18
... heat , without the least fear of the ingot crumbling into pieces , which often happens with burnt steel . Alto- gether many persons are rather afraid of this method of working steel , and prefer to heat the ingots only to a white non ...
... heat , without the least fear of the ingot crumbling into pieces , which often happens with burnt steel . Alto- gether many persons are rather afraid of this method of working steel , and prefer to heat the ingots only to a white non ...
Strona 19
... Heating the ingots to a mild welding heat . Compressing of the steel in liquid state must be effectual , but as the hydraulic press used for this purpose is very expensive , the ordinary prices of Bessemer steel , worked in such a ...
... Heating the ingots to a mild welding heat . Compressing of the steel in liquid state must be effectual , but as the hydraulic press used for this purpose is very expensive , the ordinary prices of Bessemer steel , worked in such a ...
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