Escapement

In our last episode your local horologist was vexed by Ken's clock.  It had started simply enough. Just a few very minor repairs and adjustments to a movement that was in excellent condition overall. The clock was now running and striking. Rush Limpbone here had called Ken and said the clock was ready to come home. Except it wasn't... Something had gummed up the striking. After running fine in the shop, the next morning it was striking the wrong numbers at the wrong times. Back to the bench. Your clock doc did a quick review of the wheels the strike train . The power from the strike mainspring runs through those wheels to the striking mechanism.  Nada. They appeared to be operating fine. So power from the strike mainspring through the wheels of the strike train was sufficient. Next up: was there any binding (friction) occurring somewhere in the strike works? First up for this inspective detective was the count wheel which is a device that functions similarly to a rack and sna...