Nature, Volume 101Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Página 207
... steel manufacture . Here , again , it is characteristic of the quite modern trend of German methods that the iron and steel industry proposes to provide practically the whole of the important funds required for such an institution ...
... steel manufacture . Here , again , it is characteristic of the quite modern trend of German methods that the iron and steel industry proposes to provide practically the whole of the important funds required for such an institution ...
Página 308
... STEEL . AMASCENE or Damascus steel made its appearance in Western Europe during the Middle Ages . It was manufactured in India , and the origin of the process may be traced back many centuries B.C. The same kind of steel had previously ...
... STEEL . AMASCENE or Damascus steel made its appearance in Western Europe during the Middle Ages . It was manufactured in India , and the origin of the process may be traced back many centuries B.C. The same kind of steel had previously ...
Página 334
... Steel Institute , states that much defective steel is bad solely because of the number of non- metallic particles which it contains , and that fully 90 per cent . of the failures due to faulty material which have come under his notice ...
... Steel Institute , states that much defective steel is bad solely because of the number of non- metallic particles which it contains , and that fully 90 per cent . of the failures due to faulty material which have come under his notice ...
Índice
Smith Sir Swire 49 The Ethnological Affinities of the Natives of H Bal | 8 |
Icerya purchasi in Ceylon | 29 |
Essence Industry Manual for the E Walter 62 Forestry in Corsica Algeria and Tunisia 182 | 39 |
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