light bulb car R5W
<a href="//commons.wikimedia.org/wiki/User:Konradr" title="User:Konradr">Konradr</a>, in plWiki: <a href="https://en.wikipedia.org/wiki/pl:wikipedysta:Konradr" class="extiw" title="w:pl:wikipedysta:Konradr">Konradr</a>
CC BY 2.5
own work, scanned by Konradr