Q36
For what does the world owe Almon Strowger a debt of gratitude?
A.
Parking Meters
B.
Vending Machines
C.
Automatic Telephone Exchanges
AnswerD.
Traffic Lights
Answer: Option C
Solution
Answer: Option C
Solution:
He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work.