 Fortunately, in the course of these experiments, it has been proved that cast iron, the substance which is cheapest and most easily procured, is likewise most fitted for the protection of the copper. It lasts longer than malleable iron, or zinc ; and...  The Technical repository, by T. Gill - Seite 221herausgegeben von - 1825Vollansicht - Über dieses Buch
 | 1825 - 506 Seiten
...i^nj >f lit • i , , . - j ; , '• • i I1 '•-- ..••.»• . |I. ,. , . l that even -5-^-0 part of cast iron saved a certain proportion of the...months to the action of sea water, defended by from ^U to ^ of their surface of zinc and iron, have become coated with a white matter, which, on analysis,... | |
 | 1825 - 506 Seiten
...From the Philosophical Transactions for 1824, Purt II, . . that even -jVis-o Part °f cast 'ron s^ved a certain proportion of the copper. The sheeting of...months to the action of sea water, defended by from ^ to -^ of their surface of zinc and iron, have become coated with a white matter, which, on analysis,... | |
 | 1825 - 630 Seiten
...than malleable iron or zinc ; and the plumbaginous substance, which is left by the action of sea-water upon it, retains the original form of the iron, and...have been exposed nearly four months to the action of sea-water, defended by from F's to T'T of their surface of zinc and iron, have become coated with a... | |
 | Sir Richard Phillips - 1830 - 728 Seiten
...boats and ships, protected by the contact of zinc, cast and malleable iron in different proportion*, compared with those of similar boats and sides of...months to the action of sea water, defended by from ^ to -^ of their surface of zinc and iron, have become coated with a white matter, which, on analysis,... | |
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