1698/12630
[ stop the slideshow ]

Background and frame 6

Reduce slideshow speed Increase slideshow speed Do not repeat slideshow Previous Play slideshow Next
Background and frame 6.jpg Background and frame 5ThumbnailsBackmann’s proposed helicoidal elevatorBackground and frame 5ThumbnailsBackmann’s proposed helicoidal elevatorBackground and frame 5ThumbnailsBackmann’s proposed helicoidal elevatorBackground and frame 5ThumbnailsBackmann’s proposed helicoidal elevatorBackground and frame 5ThumbnailsBackmann’s proposed helicoidal elevatorBackground and frame 5ThumbnailsBackmann’s proposed helicoidal elevatorBackground and frame 5ThumbnailsBackmann’s proposed helicoidal elevator