Re-assembling a telescope

I have been given an old low end model Meade refractor that is in field stripped condition. The two main lenses are both flat on one side and convex on the other. One is appox. a third thicker. how should they go back in?

Basic telescope info:

There are images on the above page that might give you an idea of how to assemble your 'scope.

Found a wikipedia entry that shows better: