General Knowledge - Inventions - Discussion

Discussion :: Inventions - Section 1 (Q.No.57)

57. 

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

Answer: Option D

Explanation:

William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.