(...) It's used (in blue) in set 322 from 1965; the scannings at BrickShelf is unfortunately a bit blurred, but you could get an idea of how it looks. Arne (23 years ago, 8-Nov-01, to lugnet.general)
I think I see it at the very top (in this pic--->>)and understand how it works. (URL) I always thought it was an error when I saw the parts while adding slopes at Brickbay. Cool piece! (...) (23 years ago, 8-Nov-01, to lugnet.general)