Bloomfield, Louis A. "Question 658"
How Everything Works
18 Jun 2018. 18 Jun 2018 <
658. What was the profession of A. B. Strowger, the inventor of the Step by Step Switching System? — GC, Pleasanton, CA
Mr. Strowger was apparently a Kansas undertaker when he developed his automatic telephone switching system.
Generated for printing on Monday, June 18, 2018 at 3:29:59 EDT
Louis A. Bloomfield
, All Rights Reserved