Steam locomotive conjugated valve gear animation.
More: https://en.wikipedia.org/wiki/Gresle...ted_valve_gear
Previously:
functional gears discovered in insects
Railroad multi-maintenance heavy equipment - GIF, video, photos
Janney semi-automatic railway coupler - GIF and patent
Leapfrog duplex railway - video
Crane for re-railing train tank cars - video and photo
C-5 Galaxy kneeling landing gear - video
Bookmarks