Shortening the screws

So that the Topsy Turvy Clock has a good finish I decided to trim some of the brass screws so that they would be flush with the plates rather than sticking up proud. To facilitate this process I made a
Filing Nuts

I was lucky enough to visit the Model Engineer Exhibition at Ascot over the weekend and managed to attend one of the lectures by the chaps in the blue coats from the Society of Model and Experimental Engineers. The talk