A. Parking Meters
B. Vending Machines
C. Automatic Telephone Exchanges
D. Traffic Lights
Explanation:
He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!
A. Parking Meters
B. Vending Machines
C. Automatic Telephone Exchanges
D. Traffic Lights
Explanation:
He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!