London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Band 3William Newton, Charles Frederick Partington W. Newton, 1821 |
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Seite 155
... Iron from other Metals . MR . HERSCHEL has , in the last volume of the Philo- sophical Transactions , pointed out an easy and exact method of separating iron from the other metals , with which it may happen to be mixed . This method is ...
... Iron from other Metals . MR . HERSCHEL has , in the last volume of the Philo- sophical Transactions , pointed out an easy and exact method of separating iron from the other metals , with which it may happen to be mixed . This method is ...
Seite 159
... iron . On analy sis the relative proportions of the component parts of this substance were oxide of iron 81 , plumbago 16-97 . Anchors and other articles of wrought iron , when similarly exposed , are only superficially oxidized , and ...
... iron . On analy sis the relative proportions of the component parts of this substance were oxide of iron 81 , plumbago 16-97 . Anchors and other articles of wrought iron , when similarly exposed , are only superficially oxidized , and ...
Seite 242
... Iron Rails or Rail - Ways . THESE improvements consist - first in the employment of bars of malleable iron , to be fixed on the upper surface of a line of cast iron rails , of whatever form such rails may be . Second- in affixing a bar ...
... Iron Rails or Rail - Ways . THESE improvements consist - first in the employment of bars of malleable iron , to be fixed on the upper surface of a line of cast iron rails , of whatever form such rails may be . Second- in affixing a bar ...
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