History of the United States II / Unit 3 USH2 0302 short lesson, about 20 seconds
Bell's Telephone
Captions available
The idea
Alexander Graham Bell patented the telephone in eighteen seventy-six and, with investors, built the company that became the American Telephone and Telegraph Company.
In practice
Fifty thousand telephones in use by eighteen eighty, one of them in the White House.
Where people slip
More than a million were in use by nineteen hundred; the anchor's two totals for that year disagree.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
- Nothing yet depends on this.
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