Nature, Volume 101Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Página 67
... manufacture of celluloid and celluloid pro- ducts ; in the flotation process of ore separation ; in the manufacture and setting of cements , plaster , and mortar ; in the preservation of building materials ; in the manufacture of ruby ...
... manufacture of celluloid and celluloid pro- ducts ; in the flotation process of ore separation ; in the manufacture and setting of cements , plaster , and mortar ; in the preservation of building materials ; in the manufacture of ruby ...
Página 431
... manufacture in connection with chemical products . A very useful system has been put into operation for placing at the disposal of members of the association a good deal of informa- tion available at the Department of Overseas Trade and ...
... manufacture in connection with chemical products . A very useful system has been put into operation for placing at the disposal of members of the association a good deal of informa- tion available at the Department of Overseas Trade and ...
Página 514
... manufacture is therefore attended with considerable difficulties , and can be undertaken suc- cessfully only if highly skilled labour is available and the component parts are all machined to extremely fine limits . The fact that these ...
... manufacture is therefore attended with considerable difficulties , and can be undertaken suc- cessfully only if highly skilled labour is available and the component parts are all machined to extremely fine limits . The fact that these ...
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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