published on: 2014-06-29 10:44:42
polworld.tumblr.com/post/90216133099/
polworld.tumblr.com/post/90232745360/
polworld.tumblr.com/post/90242279999/
Submarines of the Tsarist Navy
polworld.tumblr.com/post/90341546904/
The rooftop test track on the FIAT factory in Turin, 1928