What was the function of ''a hand-cranked'' magneto in an earlier manually operated telephone?

Correct answer: Signals to ring the bells of other telephone

Try the best trivia game

What people think about it: 1 Comment
Kiwozzie
Kiwozzie
My sister was on a party line, each house had a different ring, hers was short, short, long rings. I can remember picking up the handset to make a call but someone else was on the line, so you had to wait.