Chemical News and Journal of Industrial Science, Tom 12Chemical news office., 1865 |
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Strona 16
... notice that the illuminating power of these hydrocarbons rises in proportion to the amount of carbon contained in a given volume of them - marsh gas being the weakest and naphthalin the strongest . 3. We perceive that their weight , or ...
... notice that the illuminating power of these hydrocarbons rises in proportion to the amount of carbon contained in a given volume of them - marsh gas being the weakest and naphthalin the strongest . 3. We perceive that their weight , or ...
Strona 17
... notice how seriously the power of the light and the volume of the flame are 2374 4 diminished . My own experiments have led me to the con- clusion that I per cent . of carbonic acid in common coal gas will diminish the light about 5 per ...
... notice how seriously the power of the light and the volume of the flame are 2374 4 diminished . My own experiments have led me to the con- clusion that I per cent . of carbonic acid in common coal gas will diminish the light about 5 per ...
Strona 18
... notice how seriously the light of the flame is destroyed . It has fallen , in fact , to about half its original power . The following are the pro- portions of light lost by different amounts of air in gas , supposing the light to be 100 ...
... notice how seriously the light of the flame is destroyed . It has fallen , in fact , to about half its original power . The following are the pro- portions of light lost by different amounts of air in gas , supposing the light to be 100 ...
Strona 21
... NOTICES OF BOOKS . The " Rede " lecture delivered in the Senate - House before the University of Cambridge on Tuesday , May 16 , 1865. By JOHN TYNDALL , F.R.S. , & c . , & c . London : Longman and Co. 1865 . A SHORT time ago the ...
... NOTICES OF BOOKS . The " Rede " lecture delivered in the Senate - House before the University of Cambridge on Tuesday , May 16 , 1865. By JOHN TYNDALL , F.R.S. , & c . , & c . London : Longman and Co. 1865 . A SHORT time ago the ...
Strona 22
... notices of things of practical interest , and these we transfer to our " Miscellaneous . " NOTICES OF PATENTS . GRANTS OF PROVISIONAL PROTECTION FOR SIX MONTHS . Communicated by Mr. VAUGHAN , PATENT AGENT , 54 , Chancery Lane , W.C. ...
... notices of things of practical interest , and these we transfer to our " Miscellaneous . " NOTICES OF PATENTS . GRANTS OF PROVISIONAL PROTECTION FOR SIX MONTHS . Communicated by Mr. VAUGHAN , PATENT AGENT , 54 , Chancery Lane , W.C. ...
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