Dave-So. Thanks. I'll look at that when I get back. Take it from your post ex-service ? JFandL. You could be right on both points. While theres offical standards and paint charts. In the real world nothing was ever that precise. I recall painting a bailey bridge from one end and met the other lads in the middle. Same cans of paint from the same truck, but a two-tone bridge. Al

Pinky - you left the lens cap of your mind on again.