Straight out of the box, a little concerned at this stage by how "deep" the surface rust may have been.
Four hours in the "magic" Rust Buster, looking good.
A wire brush down and its looking better
The pinion as received
Out of the Rust Buster Bath
After a wire brush
Another view of the pinion as received
After Rust Buster
Then the Wire Brush
Another view of the Crown Wheel as received
Just out of the Rust Buster
The rear face
A few more before and after's