Are any medieval blockwerk organs in existence. If there is one, is it playable.

Question: Are any medieval blockwerk organs in existence!. If there is one, is it playable!. Thank you!?

these were large church organs with Mixtures stops tuned in pythagoreanWww@QuestionHome@Com

Best Answer - Chosen by Asker:

this might be one!.!.!. I've seen it while traveling through Romania!. I know for sure the church, called the Black Church and situated in a city of Brasov was built around XIV when the blockwerk organs were a trend!. it has about 4000 pipes and yes, it's still playable!.

http://lh6!.ggpht!.com/_OpyEvOBPT5c/Rw3t4f!.!.!.Www@QuestionHome@Com