Address of one of the leading radio valve producers in Germany, Loewe Radio GmbH, Berlin, 1951. Museum für Kommunikation, Frankfurt, Germany. Photo by Maximilian Schönherr with help from Lioba Nägele.
<a href="//commons.wikimedia.org/wiki/User:Maximilian_Sch%C3%B6nherr" title="User:Maximilian Schönherr">Maximilian Schönherr</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>