File:Dore-Munchausen-pull.jpg

Baron Munchausen pulls himself out from the swamp, pulling also his horse.

Illustration of the main physical principle of work of gravitsapa (in Russian, Гравицапа) and other inertioids.

Sources: http://en.citizendium.org/wiki/File:Dore-Munchausen-pull.jpg http://homepages.inf.ed.ac.uk/vrieser/papers/VerenaRieserThesis.pdf http://math.la.asu.edu/~thieme/pers-ohne-tokyo.pdf (pdf page 20 of 40 pdf pages)