"one still had a blue ceramic kachelofen in a corner for heating"
Jugendstil Ceramic Stove
Permission Granted by Copyright Owner for Use on Book DrumJugendstil Ceramic Stove Leutschacher Werkstatte

     Kachelofens /tiled stoves are made with ceramic tiles. They burn hot, store and release their heat slowly. They are very efficient heating devices used for centuries in Europe. Pictured is a Kachelofen of a 1900 Jugendstil design by the German firm of Leutschacher in Munich.