Remember that? Here is a topic dedicated to this signal type. I found more pictures via Google Image search:
http://l.yimg.com/www.flickr.com/images/spaceball.gif

http://webspace.webring.com/people/ls/s ... nusual.htm
Now, here's a Canadian pedestrian signal that operates the exact same way:

http://www.flickr.com/photos/mark_vogel/2109288977/
Feel free to share your opinions, and let's talk signals!
Cheers,
Joshua