Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 212
... cost is power and though the distribution of ti.e compressed gas in steel pipes over some miles is feasible , it has not yet proved econ- omic in competition with the manufacture of the gas at the point where it is to be used . One of ...
... cost is power and though the distribution of ti.e compressed gas in steel pipes over some miles is feasible , it has not yet proved econ- omic in competition with the manufacture of the gas at the point where it is to be used . One of ...
Strona 213
... cost was not of prime importance , but with the larger quan- tities required the cost has to be studied . At the beginning the gas was made by the action of sulphuric acid on iron , and we read of 80 tons of iron , together with 190 ...
... cost was not of prime importance , but with the larger quan- tities required the cost has to be studied . At the beginning the gas was made by the action of sulphuric acid on iron , and we read of 80 tons of iron , together with 190 ...
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