Chemical News and Journal of Industrial Science, Tom 12Chemical news office., 1865 |
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Strona 6
... cent . of pure carbon . The company exhibit Ceylon , Siberian , and other graphites in their case . To show the importance of this branch of manufac- ture the following facts may be cited : -The consumption of Ceylon graphite at the ...
... cent . of pure carbon . The company exhibit Ceylon , Siberian , and other graphites in their case . To show the importance of this branch of manufac- ture the following facts may be cited : -The consumption of Ceylon graphite at the ...
Strona 7
... cent .; but it forms a consider- able part - about 34 per cent . - of the gas made by the decomposition of steam by red - hot carbon . This , indeed , is the chief source of it in common coal gas . Like hydrogen , it is colourless and ...
... cent .; but it forms a consider- able part - about 34 per cent . - of the gas made by the decomposition of steam by red - hot carbon . This , indeed , is the chief source of it in common coal gas . Like hydrogen , it is colourless and ...
Strona 8
... cent . , and in coal gas too from 8 to 27 per cent . , cannel gas containing it in the largest proportion . It is colourless , and , when pure , is a little ethereal or sweetish in its odour , and it is anæsthetic or stupifying in its ...
... cent . , and in coal gas too from 8 to 27 per cent . , cannel gas containing it in the largest proportion . It is colourless , and , when pure , is a little ethereal or sweetish in its odour , and it is anæsthetic or stupifying in its ...
Strona 9
... cent . The various naphthas of commerce are more or less charged with ben- zole and its homologues , and they raise the illuminating power of gas from 4 to 8 per cent . for each grain of the vapour absorbed by the gas . In the act of ...
... cent . The various naphthas of commerce are more or less charged with ben- zole and its homologues , and they raise the illuminating power of gas from 4 to 8 per cent . for each grain of the vapour absorbed by the gas . In the act of ...
Strona 12
... cent . In Eng- land the proportion of females killed is only 21.6 per cent . In many cases , M. Boudin says , when the lightning has fallen upon a group of people of both sexes , it has only killed the males and spared the females ...
... cent . In Eng- land the proportion of females killed is only 21.6 per cent . In many cases , M. Boudin says , when the lightning has fallen upon a group of people of both sexes , it has only killed the males and spared the females ...
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