1. |
The Drama Of Steel
01:23
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Millions of tons of structural shapes are used in the frameworks of skyscrapers, factories, bridges, ships, railways, cars, and other structural purposes. Such is the drama of steel. From the primitive furnaces...
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2. |
Fancied Resemblance
01:20
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Because of a fancied resemblance to a suckling pig, this was called "pig iron".
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3. |
Monster Machines
02:10
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Monster machines; marvels of mechanical Ingenuity. Trainloads of the third basic material, bituminous or soft coal, arrive at the plant where it is converted to coke this takes the place of the charcoal previously used for fuel. After the coal has been crushed it is heated in these huge ovens until the moisture and the volatile matter have been driven off. After various by-products have been extracted from the volatile matter, the gas remaining is used as fuel.
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4. |
Modern Life And Progress
02:00
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Modern life and progress.
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5. |
Bone And Sinew
02:13
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Steel: the bone and sinew of our industrial world.
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6. |
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In time it was discovered that by re-heating the hammered iron it could be worked more easily, but occasionaly the repeated re-heating and hammering produced unexpected results.
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7. |
To Compensate
01:12
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THe rails are given an artificial curving to compensate for the fact that the head of the rail, being hotter, cools more slowly than the base.
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8. |
The Ore
02:48
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The ore forming slag.
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