Cutting Perspex   His soldier mouth suggests a man at peace. What fox moves in his eye and will not rest? He wears across one arm a bright pelisse, watches some further scene with interest. Of those nearby, he is their centrepiece, and tasks get done so he should be impressed. His small instructions scarcely incommode, his cannon sway like hay-wains down the road. That soldier eye shows he can be amused if horseplay has some favourite come off worst. His spyglass gleams from where it’s been much-used scanning terrain that’s still to be traversed. This now shows skyline looking…