Vertical sundials declining from south to west /
Own Work/ willy.leenders@pandora.be. By obsevation set for a dial located at 51° 20'N
<a href="https://en.wikipedia.org/wiki/nl:User:Willy_Leenders" class="extiw" title="w:nl:User:Willy Leenders">Willy Leenders</a> at <a href="https://en.wikipedia.org/wiki/nl:" class="extiw" title="w:nl:">Dutch Wikipedia</a>
8 December 2006 (original upload date)
Transferred from <span class="plainlinks"><a class="external text" href="https://nl.wikipedia.org">nl.wikipedia</a></span> to Commons. Labels to English <a href="//commons.wikimedia.org/wiki/User:ClemRutter" title="User:ClemRutter">User:ClemRutter</a> 18th Feb 2008.