Multiple choice general knowledge math & puzzles

What invention was first installed at a Hartford, Connecticut bank in 1889?

  1. Automatic teller machine

  2. Time-lock safe

  3. Burglar alarm

  4. Pay telephone
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

William Gray patented the coin-controlled public telephone in 1889, and the first one was installed at the Hartford Bank in Connecticut. This revolutionized communication by making phones accessible to those without private lines.

Keep practicing — related questions