Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3757Chemical news office., 1932 |
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Strona 243
... cost of 5 cents a gallon ( including mining costs ) . EUROPE . ESTHONIA . Great interest has been taken in the shale deposits of Esthonia during the last few years , and the annual produc- tion now amounts to more than half a million ...
... cost of 5 cents a gallon ( including mining costs ) . EUROPE . ESTHONIA . Great interest has been taken in the shale deposits of Esthonia during the last few years , and the annual produc- tion now amounts to more than half a million ...
Strona 244
... cost than that of imported oil . This plant is situated . in south - western Sweden on the shores of lake Vanerin ... costs are considerably reduced . Although they are of very low grade , yielding only about 13 gallons per ton , such ...
... cost than that of imported oil . This plant is situated . in south - western Sweden on the shores of lake Vanerin ... costs are considerably reduced . Although they are of very low grade , yielding only about 13 gallons per ton , such ...
Strona 245
... costs are not yet available , but if they prove satisfactory , the plant will in all probability be considerably extended , as it can handle only about a quarter of the shale that is removed in mining the annual coal output of 3 million ...
... costs are not yet available , but if they prove satisfactory , the plant will in all probability be considerably extended , as it can handle only about a quarter of the shale that is removed in mining the annual coal output of 3 million ...
Spis treści
THE JOURNAL | 242 |
Protection of Steel Tanks by a Well | 249 |
THE EARL OF CLARENDON P C G C M | 252 |
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