Escapement

In our last episode your local horologist was finally able to get the Vienna regulator 's movement to run on a test stand in the shop. The contraption to support the pendulum was simple in design but tricky in the precision of alignment. What this enabled was the first really clear view of the escapement of the clock in action. Now this view alone didn't reveal all the mysteries to your clock detective but did lead to the culprit. Wait... culprit? Ah yes.  Why did this horological grease monkey attempt to build the contraption to get us this view in the first place? It was that the clock was running (good) but with very low amplitude  (not good) to the point of stopping (worse) -- and your clock detective suspected an escapement issue. The only way to watch the escapement in action was to build the contraption. And your clock doc saw the problem pretty quickly with these enhanced views. Here's the issue in a nutshell: The locking on the anchor's entrance pallet was la...