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Question 1:
What invention was first installed at a Hartford, Connecticut bank in 1889?
A. Automatic teller machine
B. Time-lock safe
C. Burglar alarm
D. Pay telephone
Feedback William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.

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World Inventions Online Test 5 | Englishfreetest.com