PERKEO 2 Typewriter produced by Clemens Müller AG 1920 to 1924, shown in a museum, <a href="//commons.wikimedia.org/wiki/Dresden" title="Dresden">Dresden</a>
<a href="//commons.wikimedia.org/wiki/User:Erfurth" title="User:Erfurth">Erfurth</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>