Parallax-free reading on a mirror scale. The needle and its mirror image coincide. The whole instrument <a href="//commons.wikimedia.org/wiki/File:Analogmultimeter_Multavi.jpg" title="File:Analogmultimeter Multavi.jpg">Analogmultimeter Multavi</a>.
<a href="//commons.wikimedia.org/wiki/User:Harke" title="User:Harke">Harke</a>
2009-04-15
<span class="int-own-work" lang="en">Own work</span>