When was the telephone invented?
Where was Alexander Bell born?
What kind of job was Alexander Bell given when he got to America?
Who was his work financed by?
What were the first words spoken over the telephone?
Where was Watson when A.Bell phoned him?
Alexander Bell invented telephone while working on invention of ____
The amount of men connected with the first telephone exchange was ___
When was the first communication satellite launched?
The invention of the telephone happened ___
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