Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 19
... ordinary re- heating furnaces with blast may be used . The ingot is covered with sand and remains in the furnace till the scale runs off . Next it is rolled as quickly as possible . This method is even cheaper than the ordinary way of ...
... ordinary re- heating furnaces with blast may be used . The ingot is covered with sand and remains in the furnace till the scale runs off . Next it is rolled as quickly as possible . This method is even cheaper than the ordinary way of ...
Strona 20
... ordinary alco- hol , hoping that , the quantity of water present being very small , a larger quantity of the yellow substance would be produced . One ounce of iodine was dissolved in 20 c.c. of alcohol , and sulphurous acid was passed ...
... ordinary alco- hol , hoping that , the quantity of water present being very small , a larger quantity of the yellow substance would be produced . One ounce of iodine was dissolved in 20 c.c. of alcohol , and sulphurous acid was passed ...
Strona 26
... ordinary drinking - water for some length of time the nitrogenous matter breaks up with the formation of ammonia , which in its turn gradually changes into nitric acid . Attempting to arrest these changes by the addition of chloroform ...
... ordinary drinking - water for some length of time the nitrogenous matter breaks up with the formation of ammonia , which in its turn gradually changes into nitric acid . Attempting to arrest these changes by the addition of chloroform ...
Strona 27
... ordinary conditions of pressure and tem- perature from a lump of coal exposed to the atmosphere . In previous papers " On the Gases Enclosed in Coal , " Chem . Soc . Fourn . , 1875-6-7 , I have pointed out on more than one occasion the ...
... ordinary conditions of pressure and tem- perature from a lump of coal exposed to the atmosphere . In previous papers " On the Gases Enclosed in Coal , " Chem . Soc . Fourn . , 1875-6-7 , I have pointed out on more than one occasion the ...
Strona 32
... ordinary old fashioned oil lantern and its objectives , and then proceeds to give us an account of the Sciopticon , an American invention , which ranks half way between the old fashioned instrument and the oxyhydrogen and electric ...
... ordinary old fashioned oil lantern and its objectives , and then proceeds to give us an account of the Sciopticon , an American invention , which ranks half way between the old fashioned instrument and the oxyhydrogen and electric ...
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