A hand drawn schematic of a blind spot on a (large) motorboat. The schematic was based on an image in the book "Leidraad voor het Stuurbrevet" by Richard Vooren, Paul Van den Keybus
<div style="display:inline-block;padding:0 3px;background-color:#BDC"><a href="//commons.wikimedia.org/wiki/File:Blind_spot_(watercraft).JPG" title="File:Blind spot (watercraft).JPG"><b>Original: </b></a></div> <div style="display:inline-block;padding:3px 0;"><a href="//commons.wikimedia.org/wiki/User:KVDP" class="mw-redirect" title="User:KVDP">KVDP</a></div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User_talk:Blleininger" title="User talk:Blleininger">Blleininger</a></div>
<a href="//commons.wikimedia.org/wiki/File:Blind_spot_(watercraft).JPG" title="File:Blind spot (watercraft).JPG">Blind spot (watercraft).JPG</a>