Rangarira ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwechete sechikamu ichi: Passage: Chombo chikuru chekutanga chakavakwa naConrad Abtt (Minden) c. 1616/17. Chombo chacho chaive nemakumi matatu nematanhatu pamatanho maviri uye pedal. Munguva yezana ramakore rechi 17 nerechi 18, chiridzwa chakavakwazve uye chakawedzerwa. Muna 1909, Furtwängler & Hammer (Hannover) yakavaka nhengo nyowani ine makumi mashanu nematanhatu (mabhuku matatu uye pedal), ichishandisazve nyaya yechiridzwa kubva muna 1617.
Kurume 22, 1945