http://www.westsig.com.au is where you go if you find a sudden desire to procure some equipment, and http://www.bigfoot.com/~notagunzel is where you go to see a brief piece on 2 Ground Frames formerly in Melb. Yard, and a scan of a drawing of Rock Crossing Loop in 1939, on the Geelong line. I've even included 1 token picture of a train :-o B.