Piet Hein, Louis Weisdorf, Acton Bjørn for Lyfa: Ra-lamp, Facet Pop, Wonderlamp

Ra-lamp, Facet Pop, Wonderlamp
Design: Piet Hein (Ra-lamp), Louis Weisdorf (Facet Pop), Acton Bjørn (Wonderlamp)
Producer: Lyfa
Source: Lyfa advert
Date of publication: November 1970