The access is in the rear part of the submarine and the control unit of the rudders can be seen here. Swiss museum of transportation in Lucerne, Switzerland, Nov 3, 2014. (5/15)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/70981241@N00">Kecko</a> from Switzerland (Rheintal SG)
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/kecko/15722853946/">PX-8 Mésoscaphe - Control technique</a>