The <i>Herkules-III</i>, a winch for wire-launching gliders, commonly used in the <a href="https://en.wikipedia.org/wiki/East_Germany" class="extiw" title="en:East Germany">GDR</a>.
Aleksandr Markin
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/33104187@N04/8595456369/">Start winch for gliders of "Gercules-3"</a>