Unit1 Women of achievement-Writing学案
A
You have heard of inventor James Watt. He built a successful steam engine in 1969. But the first baby step to this invention took place in Egypt. The year was 120BC. A man attached two pipes to an ordinary kettle. He hung a globe over it. The steam made the globe go around. The device served no useful purpose. It was just something to see. No one at that time saw the potential.