History of the United States II / Unit 3 USH2 0306 short lesson, about 20 seconds
Two Ways to Make Steel
Captions available
The idea
Two new methods, the Bessemer process devised by the Englishman Henry Bessemer and the open-hearth process, turned iron into steel on an industrial scale.
In practice
A converter pouring steel in quantities no earlier method could produce.
Where people slip
Steel was stronger than iron and, once cheap, went into railroads, bridges and buildings. The next entry measures the change.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
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