The End of the "Silent Letter"...
Combining the ease of telephonic com... ...elephonic communication with the awesome speed of mail , the maker of typewriters Smith-Corona (count jus... ...represented here, Neatoramanauts!) introduced the Mail Call back in 1967:Announcing: The end of the sile... ...ce in another city. Parents in your old home...
https://www.neatorama.com/2012/09/28/The-End-of-the-Silen-Letter/
