| 1856 - Liczba stron: 974
...same as iron ; but, as its tensile strength is some thirty or forty per cent, greater than bar-iron, it follows that for most purposes a much less weight...metal may be used, so that, taken in that way, the s*mi-steel will form a much cheaper metal than any that we are at present acquainted widi. In conclusion,... | |
| 1856 - Liczba stron: 434
...difficult to roll, its cost per ton may be fairly considered to be the same as iron. But as its tensible strength is some thirty or forty per cent, greater...but the result of working on a scale nearly twice as great'as is pursued in our largest iron works — the experimental apparatus doing 7 cwt. m thirty... | |
| 1856 - Liczba stron: 504
...per ton may be fairly considered to be the same as iron. But as its tensile strength is some 30 or 40 per cent. greater than bar iron, it follows that for...metal than any that we are at present acquainted with. On the Preparation of Aluminium. By C. BRCNNER. The author describes a process for the preparation... | |
| Perry Fairfax Nursey - 1856 - Liczba stron: 640
...ton may fairly be considered to be the same as iron ; but, as its tensile strength is some 30 or 40 per cent, greater than bar iron, it follows that,...metal than any that we are at present acquainted with. In conclusion, allow me to observe that the facts which I have had the honour of bringing before the... | |
| 1856 - Liczba stron: 500
...per ton may be fairly considered to be the same as iron. But as its tensile strength is some 30 or 40 per cent. greater than bar iron, it follows that for...metal than any that we are at present acquainted with. On the Preparation of Aluminium. By C. BRUNNER. Alum, freed as far as possible from iron by frequent... | |
| 1856 - Liczba stron: 648
...ton may fairly be considered to be the same as iron ; but, as its tensile strength is some 30 or 40 per cent, greater than bar iron, it follows that,...form a much cheaper metal than any that we are at ргеьеш acquainted with. In conclusion, allow me to observe that the facts which I have had the... | |
| 1856 - Liczba stron: 540
...tun tuny fairly be considered to l>e the same as iron; but, SB its tensile strength is some 30 or 40 per cent, greater than bar iron, it follows that for...semi-steel will form a much cheaper metal than any we are at present acquainted with. "In conclusion, allow me to observe that the facts which I have... | |
| 1856 - Liczba stron: 530
...ton may fairly be considered to be the same as iron; but, as its tensile strength is some 30 or 40 per cent, greater than bar iron, it follows that for...taken in that way the semi-steel will form a much clieaper metal than any we are at present acquainted with. "In conclusion, allow me to observe that... | |
| 1856 - Liczba stron: 650
...ton may fairly be considered to be the same as iron ; but, as its tensile strength is some 30 or 40 per cent greater than bar iron, it follows that, for...purposes, a much less weight of metal may be used i so that, taken in that way, the sfini-stcel will form a much cheaper metal than any that we are at... | |
| 1857 - Liczba stron: 664
...iron. This metal possesses the advantage of much greater tensile strength than soft iron. It is alao more elastic, and does not readily take a permanent...are not mere laboratory experiments, but the result «f working on a scale nearly twice as great as is pursued in our largest ironworks— the experimental... | |
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