What invention was first installed at a Hartford, Connecticut bank in 1889?
Automatic teller machine
Time-lock safe
Burglar alarm
Pay telephone
Option D
William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers. Pay Phone is first installed invention at a Hartford, Connecticut bank in 1889.
A payphone is typically a coin-operated public telephone, often located in a telephone booth or in high-traffic outdoor areas, with pre-payment by inserting money (usually coins) or by billing a credit or debit card, or a telephone card.
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