Is that the one you "have my hooks on" according to a post a year ago? If so, congratulations on your persistence tracking it down.
Have you looked at the thread
http://www.mapleleafup.net/forums/sh...ght=compressor
in which Mike Kelly mentions having a manual for a WW2 compressor? (I don't think it's exactly the same model as typical Canadian production, but might provide guidance)