Portable receivers were rare in the thirties. Some sets come from overseas, Detrola for instance.
German, Swedish and British brands were available right before the war.
Volksempfänger | Internal loudspeaker | Stations on the scale | American | Portable | Olympics 1940 | Station memory | Luxory | Gramophone | Functionalism | Art Deco | III Reich Style | Radio Museum | In Finnish
Portable receiver was an expensive investment. Every portable receiver from the thirties that still exist in Finland can be regarded as rarity.