Vidor was as well known for its batteries as it portable radios. This trader advert from July 1951 introduces the CN414 Battery only portable in attaché case.  Not a great deal different from the CN411 dual power version - except this one doesn't get a name, just a number.

New! The Vidor Attaché Portable
414 for Battery Operation

Vidor lead again in the Portable market with this new-shape Vidor Attaché, model CN414.  An attractive and distinctive design, carried out in green or lizard.  4-valve superhet circuit: 186 to 550 metres and 1100 to 1870 metres.

CN414 Price £15. 10.  Batteries extra.

Patents Pending

Vidor Ltd. Erith, Kent