 | John Holland - 1831 - 364 pagine
...extraordinary freedom from rust, it is ihnost necessary to suppose that some diminution takes place in the chemical affinity of the iron for the oxygen or...rolled iron, appears to act as a defence against the oxidising power of the atmosphere or water. This is the reason why the rail does not rust on its sides."... | |
 | Nicholas Wood - 1832 - 664 pagine
...extraordinary freedom from rust, it is almost necessary to suppose, that some diminution takes place in the chemical affinity of the iron for the oxygen or...power of the atmosphere, or water. This is the reason why the rail does not rust on its sides. " of the latter material generally become, by wear, unfit... | |
 | Luke Hebert - 1835 - 938 pagine
...extraordinary freedom from rust, it is almost necessary to suppose that some diminution takes place in the chemical affinity of the iron for the oxygen or...has the usual effect of polish, in presenting to the destioying influence a smaller surface to act upon. The black oxyde or crust, which always remains... | |
 | Luke Hebert - 1836 - 942 pagine
...that some diminution takes place in the chemical affinity of the iron for the oxygen or carbonic acia The continual smoothness in which they are kept by the contact of the wheel?, has the usual effect of polish, in presenting to the destroying influence a smaller surface... | |
 | Luke Hebert - 1837 - 236 pagine
...extraordinary freedom from rust, it is almost necessary to suppose that some diminution takes place in the chemical affinity of the iron for the oxygen or...influence a smaller surface to act upon. The black oxyde or crust, which always remains upon rolled iron, appears to act as a defence against the oxydizing... | |
 | James Day - 1839 - 240 pagine
...extraordinary freedom from rust, it is almost necessary to suppose, that some diminution takes place in the chemical affinity of the iron for the oxygen or...influence a smaller surface to act upon. The black oxyde, or crust, which always remains upon rolled iron, appears to act as a defence against the oxydizing... | |
 | James Day (engineer.) - 1839 - 234 pagine
...extraordinary freedom from rust, it is almost necessary to suppose, that some diminution takes place in the chemical affinity of the iron for the oxygen or...carbonic acid. The continual smoothness in which they are kept,t by the contact of the wheels, has the usual effect of polish, in presenting to the destroying... | |
 | James Day - 1848 - 240 pagine
...rust, it is almost necessary to suppose, that some diminution takes place in the chemical aftinit.y of the iron for the oxygen or carbonic acid. The continual...influence a smaller surface to act upon. The black oxyde, or crust, which always remains upon rolled iron, appears to act as a defence against the oxydizing... | |
 | James Day (engineer.) - 1848 - 240 pagine
...moment. On no malleable-iron railway has oxydization or rusting taken place to any important extent. or carbonic acid. The continual smoothness in which...influence a smaller surface to act upon. The black oxyde, or crust, which always remains upon rolled iron, appears to act as a defence against the oxydizing... | |
 | William Edward Dickson - 1854 - 140 pagine
...most singular fact seems to denote the operation of some magnetic or other influence which destroys the chemical affinity of the iron for the oxygen, or carbonic acid, of the atmosphere. If this influence — whatever it be — is brought into play by the attrition of... | |
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... to any important extent. I am inclined to think that this effect is prevented on the bearing surfaces of much used railways, by the pressure upon them. To account for their extraordinary freedom from rust, it is almost necessary to suppose, that some... 