Simplified schema of the inner parts of a german S-mine (aka <i>Bouncy Betty</i>). This bounding mine was used during WW2. See <a href="https://en.wikipedia.org/wiki/S-mine" class="extiw" title="en:S-mine">article on :en</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:Dake&amp;action=edit&amp;redlink=1" class="new" title="User:Dake (page does not exist)">Dake</a>
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Made in Inkscape by <a href="//commons.wikimedia.org/w/index.php?title=User:Dake&amp;action=edit&amp;redlink=1" class="new" title="User:Dake (page does not exist)">Dake</a>. Directly inspired from US Army pictures on :en : <a href="https://en.wikipedia.org/wiki/Image:Smine-diagram.jpg" class="extiw" title="en:Image:Smine-diagram.jpg">en:Image:Smine-diagram.jpg</a> and <a href="https://en.wikipedia.org/wiki/Image:Smine-sensor.jpg" class="extiw" title="en:Image:Smine-sensor.jpg">en:Image:Smine-sensor.jpg</a>