Our DUFA has recovered from surgery however your local horologist knew that sewing the patient back up would not be child's play. As previously mentioned , our German friend is a "rack and snail" movement. Often reassembling a movement is just getting all the wheels and bits in the right holes and such. With a rack and snail there are very specific alignments needed for wheels, pins on wheels and levers so that clock will run correctly. I cleaned and reassembled a Vienna regulator last year (for another blog post). I did not get the rack and snail correctly aligned. The clock won't strike the hour. At all. Time runs beautifully. It's one of my best clocks. I have not gone back to its rack and snail yet for fear I'd botch it (or worse) and decided to learn about rack and snail on our German friend instead. And learn I have. Here's an example. See this wheel? It has a "pin" sticking out of the edge of the wheel. Here's one with several pins. T...