STEP 3 - Listen Up! Alexander Graham Bell's Talking Machine National Geographic The driver zips up her

The driver zips up her jumpsuit and squeezes through her racecar window

it has been read by tens of millions of people all over the world

you'll find: Simple

They feature carefully selected texts

The charismatic entrepreneur launched his first major business

STEP 3 - Listen Up! Alexander Graham Bell's Talking Machine National Geographic The driver zips up herIt's 1876 and the whole country is celebrating the 100th birthday of the United States. The biggest party is in Philadelphia at the World's Fair, where the latest and greatest inventions are on display for all to see. Alexander Graham Bell is headed to the fair to demonstrate his invention a talking machine he calls the telephone. But will anyone come to see him at the world's most important science fair? And more importantly, will his machine work?