Telephone Muffler
Comments
It keeps your business private. A concept unknown to 99 % of cell phone users.
Posted by F.U.D. in Stockholm on 10/13/24 at 09:55 AM
The original "Cone of Silence"
Posted by Teri on 10/14/24 at 12:30 AM
@F.U.D.
Maybe someone should sell rubber bags to put over a cell phone user's head. Ventilation optional.
Maybe someone should sell rubber bags to put over a cell phone user's head. Ventilation optional.
Posted by eddi on 10/14/24 at 05:08 AM
Category: Inventions | Telephones | 1910s