If you have information about this name, share it in the comments area below!
Strowger Expression, Strowger Soul Urge, Strowger Inner Dream

Books about Strowger:
Strowger Relays and Relay Mountings. (Bulletin 1021) by Automatic Electric Inc (Jan 1, 1928)
Strowger Automatic Telephone Exchange, The by R. Mordin (1919)
Strowger journal (1931)
Characteristics of Strowger Switches by K. W. Graybill (1955)
An Introduction to the Strowger System of Automatic Telephony by H. H. Harrison (1924)
Telephone Switching Systems: Strowger Switching Systems Pt. 2 (Course T111) by British Telecom (Dec 1984)

Wiki information Strowger:
The Strowger switch was the first example of an electromechanical stepping switch telephone exchange system. It was invented by Almon Brown Strowger, and first patented in 1891. Because of its operational characteristics it is also known as a...
Almon Brown Strowger gave his name to the electromechanical telephone exchange technology that his invention and patent inspired.