https://old.reddit.com/r/typewriters/comments/1wgjf93/i_made_a_video_about_why_i_use_a_1949_royal/

legendwill11 has a '49 Royal Quiet De Luxe and lives in the Glendale, CA area (via video at https://www.youtube.com/shorts/-YuazfTLiiw)

According to the label on this SGW typewriter there was a typewriter shop at

Typewriter City <br /> 121 W. Wilson Ave.<br /> Glendale, CA<br /> 246-7229