General Knowledge - Inventions - Discussion

Discussion :: Inventions - Section 1 (Q.No.46)

46. 

For what does the world owe Almon Strowger a debt of gratitude?

[A]. Parking Meters
[B]. Vending Machines
[C]. Automatic Telephone Exchanges
[D]. Traffic Lights

Answer: Option C

Explanation:

He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!

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